toJson method
Allows you to serialize object.
Implementation
Map<String, dynamic> toJson() => {
"type": type,
"version": version,
"issuingCountry": issuingCountry,
"message": message,
"signatureAlgorithm": signatureAlgorithm,
"signature": signature?.toJson(),
"certificate": certificate?.toJson(),
"certificateChain": certificateChain.map((e) => e.toJson()).toList(),
"notifications": notifications,
}.clearNulls();