<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:v1="yadayadayada" xmlns:v11=and other namespace stuff...>
   <soapenv:Header>
      <v1:CommonHeader>
         ...list of simple elements omitted...
      </v1:CommonHeader>
   </soapenv:Header>
   <soapenv:Body>
      <v11:Registration>
         ... more simple elements omitted...
      </v11:Registration>
   </soapenv:Body>
</soapenv:Envelope>