gaixinh

{
  "messages": [
    {
      "attachment": {
        "type": "image",
        "payload": {
          "url": "https://raw.githubusercontent.com/truongsofm/cdn-chatbot/master/69779584_2293056987690343_2205014962563186688_n.jpg"
        }
      }
    }
  ]
}