ChatEventLocationChanged.fromJson constructor
Parse from a json
Implementation
factory ChatEventLocationChanged.fromJson(Map<String, dynamic> json) =>
    ChatEventLocationChanged(
      oldLocation: json['old_location'] == null
          ? null
          : ChatLocation.fromJson(json['old_location']),
      newLocation: json['new_location'] == null
          ? null
          : ChatLocation.fromJson(json['new_location']),
    );