toJson method

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final image = this.image;
  final metadata = this.metadata;
  final signatureTime = this.signatureTime;
  final userId = this.userId;
  return {
    'image': ?image,
    'metadata': ?metadata,
    'signatureTime': ?signatureTime,
    'userId': ?userId,
  };
}