Fetches the JWK from the issuer's well-known JWKS endpoint.
The kid of the JWK to fetch
The keyless public key which contains the issuer the address to fetch the JWK from (0x1 if not federated).
A JWK matching the kid in the JWT header.
kid
If the JWK cannot be fetched
Fetches the JWK from the issuer's well-known JWKS endpoint.