flex_1.json

{
  "type": "bubble",
  "body": {
    "type": "box",
    "layout": "vertical",
    "contents": [
      {
        "type": "image",
        "url": "https://i1.sndcdn.com/artworks-SDP95erPKKyVHykD-XyfUnw-t500x500.jpg",
        "size": "full",
        "aspectMode": "cover",
        "aspectRatio": "4:5"
      },
      {
        "type": "box",
        "layout": "vertical",
        "contents": [],
        "position": "absolute",
        "background": {
          "type": "linearGradient",
          "angle": "0deg",
          "endColor": "#00000000",
          "startColor": "#00000099"
        },
        "width": "100%",
        "height": "40%",
        "offsetBottom": "0px",
        "offsetStart": "0px",
        "offsetEnd": "0px"
      },
      {
        "type": "box",
        "layout": "horizontal",
        "contents": [
          {
            "type": "box",
            "layout": "vertical",
            "contents": [
              {
                "type": "box",
                "layout": "horizontal",
                "contents": [
                  {
                    "type": "text",
                    "text": "Search Result",
                    "size": "sm",
                    "color": "#ffffff"
                  }
                ]
              },
              {
                "type": "box",
                "layout": "horizontal",
                "contents": [
                  {
                    "type": "text",
                    "text": "Brown Grand Hotel",
                    "size": "xl",
                    "color": "#ffffff",
                    "weight": "bold"
                  }
                ]
              }
            ],
            "spacing": "xs"
          }
        ],
        "position": "absolute",
        "offsetBottom": "0px",
        "offsetStart": "0px",
        "offsetEnd": "0px",
        "paddingAll": "20px"
      }
    ],
    "paddingAll": "0px"
  }
}