{
  "keys": [
    {
      "kty": "OKP",
      "crv": "Ed25519",
      "x": "v1HxOgw6HDyetyPu2JSgAa6q6lIF4Frdqf2Gbbkie9Y",
      "kid": "mk-office-x402-2026-09",
      "use": "sig",
      "alg": "EdDSA"
    }
  ]
}