{"kty":"EC",
 "crv":"P-256",
 "x":"f83OJ3D2xF1Bg8vub9tLe1gHMzV76e8Tus9uPHvRVEU",
 "y":"x_FEzRu9m36HLN_tue659LNpXW6pCyStikYjKIWI5a0",
 "kid":"Public key used in JWS A.3 example"
}