toJson method
Convert the TransactionContract object to a JSON representation.
Implementation
@override
Map<String, dynamic> toJson() {
return {
'type': type.name,
'parameter': parameter.toJson(),
'contract_name': StringUtils.tryDecode(contractName),
'provider': StringUtils.tryDecode(provider),
'Permission_id': permissionId
}..removeWhere((key, value) => value == null);
}