RCSService.GroupChatEvent.subjectUpdated(_:) Group chat’s subject was updated. Declarationcase subjectUpdated(RCSService.GroupChatSubjectUpdatedEvent) See AlsoChat life cycle eventsRCSService.GroupChatEvent.started(_:)RCSService.GroupChatStartedEventRCSService.GroupChatEvent.ended(_:)RCSService.GroupChatEndedEventRCSService.GroupChatSubjectUpdatedEvent