{
  "kty": "OKP",
  "kid": "sig_ed448_01",
  "crv": "Ed448",
  "use": "sig",
  "x": "kvqP7TzMosCQCpNcW8qY2HmVmpPYUEIGn-sQWQgoWlAZbWpnXpXqAT6yMoYA08pkJm7P_HKZoHwA",
  "alg": "EdDSA"
}