diff --git a/demo/react-ts-webpack/src/app.tsx b/demo/react-ts-webpack/src/app.tsx
index 56e53f8..1c39da3 100644
--- a/demo/react-ts-webpack/src/app.tsx
+++ b/demo/react-ts-webpack/src/app.tsx
@@ -9,6 +9,7 @@ import {
   NotaryServer,
   Transcript,
 } from 'tlsn-js';
+import { PresentationJSON } from '../../../build/types';
 
 const { init, Prover, Presentation }: any = Comlink.wrap(
   new Worker(new URL('./worker.ts', import.meta.url)),
@@ -23,7 +24,8 @@ function App(): ReactElement {
   const [initialized, setInitialized] = useState(false);
   const [processing, setProcessing] = useState(false);
   const [result, setResult] = useState<any | null>(null);
-  const [proofHex, setProofHex] = useState<null | string>(null);
+  const [presentationJSON, setPresentationJSON] =
+    useState<null | PresentationJSON>(null);
 
   useEffect(() => {
     (async () => {
@@ -84,19 +86,18 @@ function App(): ReactElement {
     const presentation = (await new Presentation({
       attestationHex: notarizationOutputs.attestation,
       secretsHex: notarizationOutputs.secrets,
+      notaryUrl: notarizationOutputs.notaryUrl,
+      websocketProxyUrl: notarizationOutputs.websocketProxyUrl,
       reveal: commit,
     })) as TPresentation;
 
-    const presentationHex = await presentation.serialize();
-
+    setPresentationJSON(await presentation.json());
     console.timeEnd('proof');
-    setProofHex(presentationHex);
-  }, [setProofHex, setProcessing]);
+  }, [setPresentationJSON, setProcessing]);
 
   const onAltClick = useCallback(async () => {
     setProcessing(true);
-    const proof = await Prover.notarize({
-      id: 'test',
+    const proof = await (Prover.notarize as typeof TProver.notarize)({
       notaryUrl: 'http://localhost:7047',
       websocketProxyUrl: 'ws://localhost:55688',
       url: 'https://swapi.dev/api/people/1',
@@ -114,17 +115,18 @@ function App(): ReactElement {
       },
     });
 
-    setProofHex(proof);
-  }, [setProofHex, setProcessing]);
+    setPresentationJSON(proof);
+  }, [setPresentationJSON, setProcessing]);
 
   useEffect(() => {
     (async () => {
-      if (proofHex) {
-        const proof = (await new Presentation(proofHex)) as TPresentation;
+      if (presentationJSON) {
+        const proof = (await new Presentation(
+          presentationJSON.data,
+        )) as TPresentation;
         const notary = NotaryServer.from(`http://localhost:7047`);
-        const notaryKey = await notary.publicKey();
+        const notaryKey = await notary.publicKey('hex');
         const verifierOutput = await proof.verify();
-        console.log(verifierOutput, notaryKey);
         const transcript = new Transcript({
           sent: verifierOutput.transcript.sent,
           recv: verifierOutput.transcript.recv,
@@ -133,15 +135,7 @@ function App(): ReactElement {
         setResult({
           time: verifierOutput.connection_info.time,
           verifyingKey: Buffer.from(vk.data).toString('hex'),
-          notaryKey: Buffer.from(
-            notaryKey
-              .replace('-----BEGIN PUBLIC KEY-----', '')
-              .replace('-----END PUBLIC KEY-----', '')
-              .replace(/\n/g, ''),
-            'base64',
-          )
-            .slice(23)
-            .toString('hex'),
+          notaryKey: notaryKey,
           serverName: verifierOutput.server_name,
           sent: transcript.sent(),
           recv: transcript.recv(),
@@ -149,7 +143,7 @@ function App(): ReactElement {
         setProcessing(false);
       }
     })();
-  }, [proofHex, setResult]);
+  }, [presentationJSON, setResult]);
 
   return (
     <div>
@@ -171,9 +165,9 @@ function App(): ReactElement {
       </div>
       <div>
         <b>Proof: </b>
-        {!processing && !proofHex ? (
+        {!processing && !presentationJSON ? (
           <i>not started</i>
-        ) : !proofHex ? (
+        ) : !presentationJSON ? (
           <>
             Proving data from swapi...
             <Watch
@@ -192,14 +186,14 @@ function App(): ReactElement {
           <>
             <details>
               <summary>View Proof</summary>
-              <pre>{JSON.stringify(proofHex, null, 2)}</pre>
+              <pre>{JSON.stringify(presentationJSON, null, 2)}</pre>
             </details>
           </>
         )}
       </div>
       <div>
         <b>Verification: </b>
-        {!proofHex ? (
+        {!presentationJSON ? (
           <i>not started</i>
         ) : !result ? (
           <i>verifying</i>
diff --git a/package-lock.json b/package-lock.json
index 04c507a..14e436b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tlsn-js",
-  "version": "0.1.0-a7.rc.3",
+  "version": "0.1.0-a7.rc.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "tlsn-js",
-      "version": "0.1.0-a7.rc.3",
+      "version": "0.1.0-a7.rc.4",
       "license": "ISC",
       "devDependencies": {
         "@types/expect": "^24.3.0",
@@ -35,6 +35,7 @@
         "serve": "14.2.1",
         "serve-handler": "^6.1.5",
         "stream-browserify": "^3.0.0",
+        "tlsn-wasm": "0.1.0-alpha.7.1",
         "ts-loader": "^6.2.1",
         "ts-mocha": "^10.0.0",
         "ts-node": "^10.9.2",
@@ -13435,6 +13436,12 @@
         "node": ">=0.6.0"
       }
     },
+    "node_modules/tlsn-wasm": {
+      "version": "0.1.0-alpha.7.1",
+      "resolved": "https://registry.npmjs.org/tlsn-wasm/-/tlsn-wasm-0.1.0-alpha.7.1.tgz",
+      "integrity": "sha512-HO0WwqjXOwj69ECI2qqSLuFD1kQJ4PYge1w0G+LxCUthBi76Pw7ZoBpPV+8s1yQR4xAkZkE7rntTFagCXPbuIg==",
+      "dev": true
+    },
     "node_modules/to-buffer": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
@@ -25545,6 +25552,12 @@
         "process": "~0.11.0"
       }
     },
+    "tlsn-wasm": {
+      "version": "0.1.0-alpha.7.1",
+      "resolved": "https://registry.npmjs.org/tlsn-wasm/-/tlsn-wasm-0.1.0-alpha.7.1.tgz",
+      "integrity": "sha512-HO0WwqjXOwj69ECI2qqSLuFD1kQJ4PYge1w0G+LxCUthBi76Pw7ZoBpPV+8s1yQR4xAkZkE7rntTFagCXPbuIg==",
+      "dev": true
+    },
     "to-buffer": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
diff --git a/package.json b/package.json
index 75066cb..2e69c62 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tlsn-js",
-  "version": "0.1.0-a7.rc.3",
+  "version": "0.1.0-a7.rc.5",
   "description": "",
   "repository": "https://github.com/tlsnotary/tlsn-js",
   "main": "build/lib.js",
@@ -55,6 +55,7 @@
     "serve": "14.2.1",
     "serve-handler": "^6.1.5",
     "stream-browserify": "^3.0.0",
+    "tlsn-wasm": "0.1.0-alpha.7.1",
     "ts-loader": "^6.2.1",
     "ts-mocha": "^10.0.0",
     "ts-node": "^10.9.2",
diff --git a/src/lib.ts b/src/lib.ts
index c54109c..eb98dda 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -18,7 +18,7 @@ import initWasm, {
   build_presentation,
   ConnectionInfo,
   PartialTranscript,
-} from '../wasm/pkg/tlsn_wasm';
+} from 'tlsn-wasm';
 import {
   arrayToHex,
   processTranscript,
@@ -26,7 +26,7 @@ import {
   headerToMap,
   hexToArray,
 } from './utils';
-import { ParsedTranscriptData } from './types';
+import { ParsedTranscriptData, PresentationJSON } from './types';
 
 let LOGGING_LEVEL: LoggingLevel = 'Info';
 
@@ -67,6 +67,8 @@ export default async function init(config?: {
 export class Prover {
   #prover: WasmProver;
   #config: ProverConfig;
+  #verifierUrl?: string;
+  #websocketProxyUrl?: string;
 
   static async notarize(options: {
     url: string;
@@ -82,7 +84,7 @@ export class Prover {
     maxRecvDataOnline?: number;
     deferDecryptionFromStart?: boolean;
     commit?: Commit;
-  }) {
+  }): Promise<PresentationJSON> {
     const {
       url,
       method = 'GET',
@@ -128,7 +130,14 @@ export class Prover {
 
     const presentation = build_presentation(attestation, secrets, commit);
 
-    return arrayToHex(presentation.serialize());
+    return {
+      version: '0.1.0-alpha.7',
+      data: arrayToHex(presentation.serialize()),
+      meta: {
+        notaryUrl: notaryUrl,
+        websocketProxyUrl: websocketProxyUrl,
+      },
+    };
   }
 
   constructor(config: {
@@ -153,6 +162,7 @@ export class Prover {
   }
 
   async setup(verifierUrl: string): Promise<void> {
+    this.#verifierUrl = verifierUrl;
     return this.#prover.setup(verifierUrl);
   }
 
@@ -213,6 +223,7 @@ export class Prover {
     status: number;
     headers: { [key: string]: string };
   }> {
+    this.#websocketProxyUrl = wsProxyUrl;
     const { url, method = 'GET', headers = {}, body } = request;
 
     const headerMap = Prover.getHeaderMap(url, body, headers);
@@ -238,9 +249,12 @@ export class Prover {
     };
   }
 
-  async notarize(
-    commit?: Commit,
-  ): Promise<{ attestation: string; secrets: string }> {
+  async notarize(commit?: Commit): Promise<{
+    attestation: string;
+    secrets: string;
+    notaryUrl?: string;
+    websocketProxyUrl?: string;
+  }> {
     const transcript = await this.transcript();
     const output = await this.#prover.notarize(
       commit || {
@@ -251,6 +265,8 @@ export class Prover {
     return {
       attestation: arrayToHex(output.attestation.serialize()),
       secrets: arrayToHex(output.secrets.serialize()),
+      notaryUrl: this.#verifierUrl,
+      websocketProxyUrl: this.#websocketProxyUrl,
     };
   }
 
@@ -282,12 +298,16 @@ export class Verifier {
 
 export class Presentation {
   #presentation: WasmPresentation;
+  #notaryUrl?: string;
+  #websocketProxyUrl?: string;
 
   constructor(
     params:
       | {
           attestationHex: string;
           secretsHex: string;
+          notaryUrl?: string;
+          websocketProxyUrl?: string;
           reveal?: Reveal;
         }
       | string,
@@ -308,6 +328,8 @@ export class Presentation {
           recv: [{ start: 0, end: transcript.recv.length }],
         },
       );
+      this.#websocketProxyUrl = params.websocketProxyUrl;
+      this.#notaryUrl = params.notaryUrl;
     }
   }
 
@@ -323,6 +345,17 @@ export class Presentation {
     return this.#presentation.verifying_key();
   }
 
+  async json(): Promise<PresentationJSON> {
+    return {
+      version: '0.1.0-alpha.7',
+      data: await this.serialize(),
+      meta: {
+        notaryUrl: this.#notaryUrl,
+        websocketProxyUrl: this.#websocketProxyUrl,
+      },
+    };
+  }
+
   async verify(): Promise<VerifierOutput> {
     const {
       server_name = '',
@@ -398,14 +431,27 @@ export class NotaryServer {
     return this.#url;
   }
 
-  async publicKey(): Promise<string> {
+  async publicKey(encoding: 'pem' | 'hex' = 'hex'): Promise<string> {
     const res = await fetch(this.#url + '/info');
     const { publicKey } = await res.json();
     expect(
       typeof publicKey === 'string' && !!publicKey.length,
       'invalid public key',
     );
-    return publicKey!;
+
+    if (encoding === 'pem') {
+      return publicKey!;
+    }
+
+    return Buffer.from(
+      publicKey!
+        .replace('-----BEGIN PUBLIC KEY-----', '')
+        .replace('-----END PUBLIC KEY-----', '')
+        .replace(/\n/g, ''),
+      'base64',
+    )
+      .slice(23)
+      .toString('hex');
   }
 
   async sessionUrl(
diff --git a/src/types.ts b/src/types.ts
index e75b2d8..65d272d 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -11,3 +11,13 @@ export type ParsedTranscriptData = {
   json?: { [path: string]: CommitData };
   lineBreaks: CommitData[];
 };
+
+export type PresentationJSON = {
+  version: '0.1.0-alpha.7';
+  data: string;
+  meta: {
+    notaryUrl?: string;
+    websocketProxyUrl?: string;
+    pluginUrl?: string;
+  };
+};
diff --git a/wasm/pkg/package.json b/wasm/pkg/package.json
index f1095b0..9f50355 100644
--- a/wasm/pkg/package.json
+++ b/wasm/pkg/package.json
@@ -1,11 +1,13 @@
 {
   "name": "tlsn-wasm",
   "type": "module",
-  "version": "0.1.0-alpha.7",
+  "version": "0.1.0-alpha.7.1",
   "files": [
     "tlsn_wasm_bg.wasm",
+    "tlsn_wasm_bg.wasm.d.ts",
     "tlsn_wasm.js",
-    "tlsn_wasm.d.ts"
+    "tlsn_wasm.d.ts",
+    "snippets/"
   ],
   "main": "tlsn_wasm.js",
   "types": "tlsn_wasm.d.ts",