Twitch EventSub: channel.vip.add
the broadcaster's user ID.
the broadcaster's login.
the broadcaster's display name.
Unique ID for this EventSub message.
The EventSub subscription type string (e.g. channel.follow).
channel.follow
The Instant when the EventSub notification was sent, parsed from ISO-8601.
the user ID of the new VIP.
the login of the new VIP.
the display name of the new VIP.