signTypedDataCompact function
        
String
signTypedDataCompact({ 
    
- required Uint8List privateKey,
 - required String jsonData,
 - required TypedDataVersion version,
 
Sign typed data compact, support all versions
Implementation
String signTypedDataCompact(
    {required Uint8List privateKey,
    required String jsonData,
    required TypedDataVersion version}) {
  final message =
      TypedDataUtil.hashMessage(jsonData: jsonData, version: version);
  return signToCompact(message: message, privateKey: privateKey);
}