<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://soap.api.billbox.dreamoval.com/">\r
   <soapenv:Header/>
   <soapenv:Body>
      <soap:listCollections>
         <page>0</page>
         <size>20</size>
      </soap:listCollections>
   </soapenv:Body>
</soapenv:Envelope>