VideoChat.fromJson constructor
Parse from a json
Implementation
factory VideoChat.fromJson(Map<String, dynamic> json) => VideoChat(
groupCallId: json['group_call_id'] ?? 0,
hasParticipants: json['has_participants'],
defaultParticipantId: json['default_participant_id'] == null
? null
: MessageSender.fromJson(json['default_participant_id']),
);