clientNonce
The c_nonce of the credential issuer, if it has a Nonce Endpoint, which has to be the nonce of the key attestation then (Appendix F.1 and F.3).
The c_nonce of the credential issuer, if it has a Nonce Endpoint, which has to be the nonce of the key attestation then (Appendix F.1 and F.3).