AvatarConfig.fromJson constructor
userAlphaChannelImgS3 , userPhotoS3 String values contains
Implementation
factory AvatarConfig.fromJson(Map<String, dynamic> json) => AvatarConfig(
userAlphaChannelImgS3: json["user_alpha_channel_img_s3"],
userPhotoS3: json["user_photo_s3"],
);