Send a Button with a URL Link

This returns a text reply with a button that goes off to a URL

{
  "message":
    {
      "raw": {
        "attachment": {
          "type": "template",
          "payload": {
          "elements": [
            {
              "title": "Check out these documents:",
              "buttons": [
                {
                  "url":"https://app.thebotplatform.com/",
                  "type":"web_url",
                  "title":"Image bot tutorial"
                }
              ]
            }
          ],
          "template_type":"generic"
        }
      }
    }
  },
  "recipient":{
    "id":"153004659230092"
  }
}