assertEquals("openid", signedJWT.getJWTClaimsSet().getStringClaim("scope"));
assertNull(signedJWT.getSignature());
Base64URL sigInput = Base64URL.encode(signedJWT.getSigningInput());
JWSSigner signer = new RSASSASigner(privateKey);
signedJWT.sign(signer);
assertEquals(JWSObject.State.SIGNED, signedJWT.getState());
assertNotNull(signedJWT.getSignature());