<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
   <SOAP-ENV:Header>
      <wsse:Security SOAP-ENV:actor="http://schemas.xmlsoap.org/soap/actor/next" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">
         <wsse:UsernameToken>
            <wsse:Username>ABCD</wsse:Username>
            <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">ABCD</wsse:Password>
         </wsse:UsernameToken>
      </wsse:Security>
   </SOAP-ENV:Header>
   <S:Body>
      <p287:BillingOrderLoadRequest xmlns:p287="http://bgw.att.com/webservice/inventory/billingorderload">
         <p287:initiatingSource>OED</p287:initiatingSource>
         <p287:salesOrderNumber>OW15000430</p287:salesOrderNumber>
         <p287:billingEffectiveDate>2015-08-04T13:42:57.000Z</p287:billingEffectiveDate>
         <p287:serviceType>OEW</p287:serviceType>
      </p287:BillingOrderLoadRequest>
   </S:Body>
</S:Envelope>