<E:Envelope xmlns:E="http://schemas.xmlsoap.org/soap/envelope/" xmlns:y="http://www.w3.org/2001/XMLSchema" xmlns:A="http://schemas.xmlsoap.org/soap/encoding/" xmlns:s="http://www.w3.org/2001/XMLSchema-instance" E:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<E:Body>
<m:echoBase64Response xmlns:m="http://soapinterop.org/">
<return xmlns="" s:type="y:base64Binary">SGVsbG8gV29ybGQ=</return>
</m:echoBase64Response>
</E:Body>
</E:Envelope>