{
  "receipt_type": "hanria-receipt-v1",
  "signed_bytes": "UTF-8 of \"hanria-receipt-v1\" + newline + canonical JSON of the receipt without \"signature\" (keys sorted, no spaces, non-ASCII as \\uXXXX)",
  "keys": [
    {
      "kty": "OKP",
      "crv": "Ed25519",
      "x": "txRvPX0aTOp3nq6M6j1uo47X6a09cKpDKZ9rmRB39aA",
      "use": "sig",
      "alg": "EdDSA",
      "kid": "hanria-PRNVDZI_qJsDdtV-"
    }
  ]
}