<?xml version="1.0"?>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
   <SignedInfo>
      <CanonicalizationMethod Algorithm=""/>
      <SignatureMethod Algorithm=""/>
      <Reference URI="">
            <DigestMethod Algorithm=""/>
            <DigestValue>
            </DigestValue>
      </Reference>
   </SignedInfo>
   <SignatureValue>
   </SignatureValue>
</Signature>