Parses a UserJwtData generated from createUserJwt. This should be used on the host
(backend) to a client (frontend) request. Do not use this function in client (frontend) code: it
requires JWT signing keys which should not be shared with any client (frontend).
Parses a UserJwtData generated from createUserJwt. This should be used on the host (backend) to a client (frontend) request. Do not use this function in client (frontend) code: it requires JWT signing keys which should not be shared with any client (frontend).