{
  "id": "0d9a51c2-3b7e-4f60-8a14-6c2e9b7d1f35",
  "principal": "owner@example.com",
  "method": "webauthn",
  "label": "Phone",
  "credentialId": "Q2hhbmdlZEl0Rm9yVGhlRXhhbXBsZQ",
  "alg": "ES256",
  "source": "api",
  "createdAt": "2026-11-12T09:30:00Z",
  "lastUsedAt": "2026-11-13T07:05:12Z"
}