{
  "client_device_id": "device-1",
  "device_key_id": "key-1",
  "certificate_chain_pem": "-----BEGIN CERTIFICATE-----\nfixture\n-----END CERTIFICATE-----",
  "trust_bundle_pem": "-----BEGIN CERTIFICATE-----\nfixture-ca\n-----END CERTIFICATE-----",
  "expires_at": "2099-01-01T00:00:00Z"
}