{
  "color": "#000000",
  "title": null,
  "url": null,
  "author": {
    "name": "%author%",
    "icon_url": "%avatar%",
    "url": null
  },
  "description": "%message_contents%",
  "thumbnail": null,
  "fields": null,
  "image": null,
  "timestamp": 0,
  "footer": null
}