Signature constructor
Implementation
Signature(
{String? signature,
String? signer,
String? signatureType,
String? timestamp}) {
if (signature != null) {
this._signature = signature;
}
if (signer != null) {
this._signer = signer;
}
if (signatureType != null) {
this._signatureType = signatureType;
}
if (timestamp != null) {
this._timestamp = timestamp;
}
}