{
  "contractVersion": "utilia.guard.v0.1",
  "decision": "DENY",
  "reasons": [
    {
      "code": "EVIDENCE_INCOMPLETE",
      "severity": "review",
      "message": "Transaction message decoding is not available in this preview.",
      "path": "transaction",
      "evidence": {}
    },
    {
      "code": "SIMULATION_FAILED",
      "severity": "deny",
      "message": "The transaction returned a simulation error.",
      "path": "policy.requireSimulationSuccess",
      "evidence": {}
    }
  ],
  "warnings": [],
  "transaction": {
    "messageDigest": "sha256:4e727cd92b452c05d58e8c6ee5300b9650c544f76318ecd6862133796e6a63a5",
    "signers": [],
    "writableAccounts": [],
    "programs": [],
    "recipients": []
  },
  "simulation": {
    "status": "failed",
    "slot": 300000003,
    "computeUnits": 150,
    "logsDigest": "sha256:38adff3bbdfb10ef11381193a92d5fd730910132c6b878f7cf68f3ca56d96b23"
  },
  "assetChanges": {
    "sol": [],
    "tokens": []
  },
  "priorityFee": {
    "observedLamports": null,
    "maximumLamports": null,
    "withinPolicy": null
  },
  "policy": {
    "policyId": "fixture-simulation-failure-v1",
    "policyDigest": "sha256:853358d902a3ef2f7ff5c9d50302a4b263d3786a21db8740319da0af56312e88",
    "checks": [
      {
        "check": "requireSimulationSuccess",
        "status": "failed",
        "expected": true,
        "observed": false,
        "reasonCode": "SIMULATION_FAILED"
      },
      {
        "check": "maxComputeUnits",
        "status": "passed",
        "expected": 200000,
        "observed": 150,
        "reasonCode": null
      },
      {
        "check": "programs",
        "status": "not_configured",
        "expected": null,
        "observed": null,
        "reasonCode": null
      },
      {
        "check": "maxSolSpendLamports",
        "status": "not_configured",
        "expected": null,
        "observed": null,
        "reasonCode": null
      },
      {
        "check": "tokenSpendLimits",
        "status": "not_configured",
        "expected": null,
        "observed": null,
        "reasonCode": null
      },
      {
        "check": "recipients",
        "status": "not_configured",
        "expected": null,
        "observed": null,
        "reasonCode": null
      },
      {
        "check": "maxPriorityFeeLamports",
        "status": "not_configured",
        "expected": null,
        "observed": null,
        "reasonCode": null
      },
      {
        "check": "denyUnknownTokenExtensions",
        "status": "not_configured",
        "expected": false,
        "observed": null,
        "reasonCode": null
      }
    ]
  },
  "evidence": {
    "requestId": "guard-fixture-simulation-failure-v1",
    "requestDigest": "sha256:a1153b4322a3f8a725abf78fc8876b93db9df2f46fd567e5479b87d6325e1386",
    "resultDigest": "sha256:3b3a4b45da5aa9c55c233c32dc18a20422d842daa276c8028eb5d37714ea4fb7",
    "generatedAt": "2026-07-27T20:02:00.000Z",
    "expiresAt": "2026-07-27T20:04:00.000Z",
    "receipt": null
  }
}