I can't sent photo to sever

[esp-LongNguyen]

i use function sendMessage with body

{
 "type": 6,
 "convId": "conv-vn-1-GSDU1UIBON-1639761197506",
 "message": {
  "photo": {
   "filePath": "https://images.pexels.com/photos/10198464/pexels-photo-10198464.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260",
   "ratio": 1,
   "thumbnail": "https://images.pexels.com/photos/10198464/pexels-photo-10198464.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=500&w=500"
  }
 }
}

But i count not receive photo in my content. Any help !!!!