RegisterResponseData

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
   if (resultCode != RESULT_OK) {
     // Something went wrong
   }

   switch(requestCode) {
     case REGISTER_REQUEST_CODE:
       RegisterResponseData registerResponse = (RegisterResponseData) data
           .getParcelableExtra(Fido.KEY_RESPONSE_EXTRA);
       // Do something useful
       break;
     case SIGN_REQUEST_CODE:
       SignResponseData signResponse = (SignResponseData) data
           .getParcelableExtra(Fido.KEY_RESPONSE_EXTRA);
       // Do something useful
       break;
     default:
       // Something went wrong
   }
 }