<?xml version="1.0"?>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
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    <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
    <Reference URI="#ndid:1234-5678-0987">
      <Transforms>
        <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
      </Transforms>
      <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
      <DigestValue>sj1VXDB2VMCU5qmva2OtDw3kKOs=</DigestValue>
    </Reference>
  </SignedInfo>
  <SignatureValue>...</SignatureValue>
  <KeyInfo>
    <X509Data>
      <X509Certificate>...</X509Certificate>
    </X509Data>
  </KeyInfo>
</Signature>