[
  {
    "keyType": "Encryption",
    "enrollmentId": "E4",
    "reportingOrigin": "https://test.com",
    "encryptionKeyUrl": "https://test.com/.well-knonwn/encryption-keys",
    "protocolType": "HPKE",
    "keyId": 777,
    "body": "rSJBSUYG0ebvfW1AXCWO0CMGMJhDzpfQm3eLyw1uxX8=",
    "expiration": 1838531931000,
    "version": 3
  }
]