Optionalpayload?: {The payload of the event. The contents of this object depend on the type of event.
Optionalreason?: "authentication" | "localeDetection"The reason why the user was updated, if applicable.
authentication - An anonymous user became an identified user.localeDetection - A user was updated as a result of automated locale detection on messages sent.Optionalsource?: SourceWebhookThe source of the creation.
Optionaluser?: UserReadableThe updated user.
user:update