toJson method
Implementation
Map toJson(){
Map _result = {};
if (data != null) _result.addAll({"data": data});
if (auxPCD != null) _result.addAll({"auxPCD": auxPCD});
if (challengePICC != null) _result.addAll({"challengePICC": challengePICC});
if (hashPK != null) _result.addAll({"hashPK": hashPK});
if (idPICC != null) _result.addAll({"idPICC": idPICC});
return _result;
}