MessageSendingStateFailed.fromJson constructor
Parse from a json
Implementation
factory MessageSendingStateFailed.fromJson(Map<String, dynamic> json) => MessageSendingStateFailed(
errorCode: json['error_code'],
errorMessage: json['error_message'],
canRetry: json['can_retry'],
needAnotherSender: json['need_another_sender'],
retryAfter: json['retry_after'],
);