{
    "subscription": {
        "id": "I_WANT_TO_SPECIFY_THIS",
        "type": "channel.update",
        "version": "1",
        "status": "enabled",
        "cost": 0,
        "condition": {
           "broadcaster_user_id": "1337"
        },
         "transport": {
            "method": "webhook",
            "callback": "https://example.com/webhooks/callback"
        },
        "created_at": "2019-11-16T10:11:12.123Z"
    },
    "event": {
        "broadcaster_user_id": "1337",
        "broadcaster_user_login": "cool_user",
        "broadcaster_user_name": "Cool_User",
        "title": "Best Stream Ever",
        "language": "en",
        "category_id": "21779",
        "category_name": "Fortnite",
        "is_mature": false
    }
}