audioplayer_captions.json

{
  "type": "AudioPlayer.Play",
  "playBehavior": "valid playBehavior value such as ENQUEUE",
  "audioItem": {
    "stream": {     
      "url": "https://cdn.example.com/url-of-the-stream-to-play",
      "token": "opaque token representing this stream",
      "expectedPreviousToken": "opaque token representing the previous stream",
      "offsetInMilliseconds": 0,
      "caption": {
         "content": "WEBVTT\n\n00:00.000 --> 00:02.107\n<00:00.006>My <00:00.0192>Audio <00:01.232>Captions.\n",
         "type": "WEBVTT"
      }
   },
  }
}