3.2.1.2 Per Attestation Request
SessionId: Unique session identifier of the client performing attestation.
ExpectedOperationMode: The mode of operation supported by the server as specified in section 2.2.1.1.
AttestationHealthCertificate: The attestation health certificate that is an x509Certificate2.
RtpmPublicEndorsementKey: The public portion of remote TPM Public endorsement key of the client that tried to perform attestation.
VsmIdk: String representing the virtual security mode identity key of the host that initiated the AD request
Retryable: A Boolean representing whether the client can meaningfully retry the request.
FunctionalLevel: An integer representing the current functional level.