CentrifugoChannelStartedResponse

{
    "event": "channel-started",
    "payload": {
        "channel_id": 1,
        "restream_id": 1,
        "user_started": {
            "id": 1,
            "name": "John Doe",
            "photo": "https://example.com/photo.jpg",
            "video_url": "https://example.com/video.mp4"
        }
    }
}