Object containing the chat information.
Chat ID where the user is requesting to join.
Date when the request was sent.
Invite link used to request joining.
Object containing the user information.
Bio of the user who requested to join the chat.
ID of the user who requested to join the chat.
Context of a chat join request update (for bots).
This is a subclass of BotChatJoinRequestUpdate, so all its fields are also available.