requests.txt

    <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:mov="http://movimentazionidas.domest.sogei.it">
       <soapenv:Header/>
       <soapenv:Body>
          <mov:Input>
             <mov:serviceId>welcomeTest</mov:serviceId>
             <mov:data>
                <mov:xml></mov:xml>
                <mov:dichiarante>ITXXXXXXXX</mov:dichiarante>
             </mov:data>
          </mov:Input>
       </soapenv:Body>
    </soapenv:Envelope>

    <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:mov="http://movimentazionidas.domest.sogei.it">
       <soapenv:Header/>
       <soapenv:Body>
          <mov:Input>
             <mov:serviceId>invioDE815</mov:serviceId>
             <!--1 or more repetitions:-->
             <mov:data>
                <mov:xml>TUlBR0NTcUdTSW....</mov:xml>
                <mov:dichiarante>ITXXXXXXXXX</mov:dichiarante>
             </mov:data>
          </mov:Input>
       </soapenv:Body>
    </soapenv:Envelope>