<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xmlns:xsd="http://www.w3.org/2001/XMLSchema"
               xmlns:tns="http://stamps.com/xml/namespace/2013/10/swsim/swsimv33">
  <soap:Body>
    <tns:GetPurchaseStatus>
      <tns:Authenticator>***authenticator***</tns:Authenticator>
      <tns:TransactionID>1234</tns:TransactionID>
    </tns:GetPurchaseStatus>
  </soap:Body>
</soap:Envelope>