<Assertion>
…
<Subject>
<NameID
Format="urn:oasis:names:tc:1.1:nameid-format:emailAddress">
j.doe@acompany.com
</NameID>
<SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:bearer">
<SubjectConfirmationData
Recipient="https://www.CarRentalInc.com"
NotOnOrAfter="2005-01-31T13:00:00Z">
</SubjectConfirmationData>
</SubjectConfirmation>
</Subject>
…
</Assertion>