{
  "keys": [
    {
      "kty": "EC",
      "x": "H_Tw1p1l4-bo_oxlYK7kosPFQkzT4gz2VmUxgY6-aR4",
      "y": "p4XUhPOW0i3U_yNOaILri1fWofaDm0c6uT3f5t1iojE",
      "crv": "P-256",
      "use": "sig",
      "alg": "ES256",
      "kid": "aux-receipt-2026-08-17-01"
    }
  ]
}