export interface APIGuildScheduledEventUser
https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
Snowflake guild_scheduled_event_id :
The scheduled event id which the user subscribed to
optionalAPIGuildMember member? :
The guild member data for this user for the guild which this event belongs to, if any
APIUser user :
The user which subscribed to the event