<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:asi="http://siebel.com/asi/">
   <soapenv:Header>
      <UsernameToken xmlns="http://siebel.com/webservices">SADMIN</UsernameToken>
      <PasswordText xmlns="http://siebel.com/webservices">SADMIN</PasswordText>
      <SessionType xmlns="http://siebel.com/webservices">Stateless</SessionType>
   </soapenv:Header>
   <soapenv:Body>
      <asi:GetProductOfferStructure_Input>
         <asi:ProductOfferId>88-2S1NA</asi:ProductOfferId>
      </asi:GetProductOfferStructure_Input>
   </soapenv:Body>
</soapenv:Envelope>