FCM rich push notification payload for iOS

Question

I am using FCM for my project. It\'s have rich push notification for a type. I tried to modified most of possible ways to get push from FCM. I got

Answer 1

This worked for me. The accepted answer seems to have some unnecessary information.

{
  "to" : "devicekey OR /topics/sometopic",
  "mutable_content": true,
  "data": {
    "mymediavideo": "https://myserver.com/myvideo.mp4"
  },
  "notification": {
    "title": "my title",
    "subtitle": "my subtitle",
    "body": "some body"
  }
}