CentrifugoChannelStartedPayload

{
    "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"
    }
}