<?xml version="1.0" encoding="UTF-8"?>
<sl:CreateXMLSignatureRequest 
   xmlns:sl="http://www.buergerkarte.at/namespaces/securitylayer/1.2#">
<sl:KeyboxIdentifier>SecureSignatureKeypair</sl:KeyboxIdentifier>
   <sl:DataObjectInfo Structure="enveloping">
     <sl:DataObject>
       <sl:XMLContent>I'm a simple text.</sl:XMLContent>
     </sl:DataObject>
    <sl:TransformsInfo>
      <sl:FinalDataMetaInfo>
       <sl:MimeType>text/plain</sl:MimeType>
       </sl:FinalDataMetaInfo>
    </sl:TransformsInfo>
  </sl:DataObjectInfo>
</sl:CreateXMLSignatureRequest>