{
  "keys": [
    {
      "kty": "OKP",
      "crv": "Ed25519",
      "kid": "example-host.invalid-2026-01-01-01",
      "use": "sig",
      "alg": "EdDSA",
      "key_ops": ["verify"],
      "x": "<base64url-public-key>"
    }
  ]
}