{
  "event": "track_published",
  "id": "{event_id}",
  "createdAt": "1720000002",
  "room": {
    "sid": "RM_test_track",
    "name": "{room_name}"
  },
  "participant": {
    "sid": "PA_test",
    "identity": "{identity}",
    "name": "Test Participant"
  },
  "track": {
    "sid": "{track_sid}",
    "type": "AUDIO",
    "source": "MICROPHONE"
  }
}