Signs the private_key_jwt for the token request (RFC 7523, 12.1.1.2): iss and sub this realm's client_id, aud the OP's Entity Identifier.
private_key_jwt
iss
sub
aud
effectiveRecord()'s record
effectiveRecord()
a promise of the assertion
Signs the
private_key_jwtfor the token request (RFC 7523, 12.1.1.2):issandsubthis realm's client_id,audthe OP's Entity Identifier.