<?xml version="1.0"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soapenv:Body>
    <ns:echo xmlns:ns="urn:test">
      <in xsi:type="xsd:string">test</in>
    </ns:echo>
  </soapenv:Body>
</soapenv:Envelope>
