card

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "description": "A representation of a person, company, organization, or place",
    "type": "object",
    "required": ["familyName", "givenName"],
    "properties": {
        "fn": {
            "description": "Formatted Name",
            "type": "string"
        },
        "familyName": { "type": "string" },
        "givenName": { "type": "string" },
        "additionalName": { "type": "array", "items": { "type": "string" } },
        "honorificPrefix": { "type": "array", "items": { "type": "string" } },
        "honorificSuffix": { "type": "array", "items": { "type": "string" } },
        "nickname": { "type": "string" },
        "url": { "type": "string", "format": "uri" },
        "email": {
            "type": "object",
            "properties": {
                "type": { "type": "string" },
                "value": { "type": "string", "format": "email" }
            }
        },
        "tel": {
            "type": "object",
            "properties": {
                "type": { "type": "string" },
                "value": { "type": "string", "format": "phone" }
            }
        },
        "adr": { "$ref": "http://json-schema.org/address" },
        "geo": { "$ref": "http://json-schema.org/geo" },
        "tz": { "type": "string" },
        "photo": { "type": "string" },
        "logo": { "type": "string" },
        "sound": { "type": "string" },
        "bday": { "type": "string", "format": "date" },
        "title": { "type": "string" },
        "role": { "type": "string" },
        "org": {
            "type": "object",
            "properties": {
                "organizationName": { "type": "string" },
                "organizationUnit": { "type": "string" }
            }
        }
    }
}