$mySoapServicePing->getLastRequest() output

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://MD.org/">
  <SOAP-ENV:Body>
    <ns1:Ping>
      <ns1:request>
        <ns1:MerchantNumber>1</ns1:MerchantNumber>
        <ns1:RestoCode>2</ns1:RestoCode>
      </ns1:request>
    </ns1:Ping>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>