{
  "uts_version": "1.0.0",
  "subject": {
    "id": "test-agent-valid",
    "name": "Valid Test Agent",
    "type": "agent"
  },
  "identity": {
    "public_key": "MCowBQYDK2VwAyEA",
    "key_algorithm": "Ed25519",
    "key_id": "MCowBQYDK2VwAyEA"
  },
  "trust": {
    "score": 8,
    "confidence": "high",
    "evidence": [
      {
        "type": "sentinel-audit",
        "source": "L1.5",
        "result": "pass",
        "timestamp": "2026-08-20T00:00:00Z"
      },
      {
        "type": "sentinel-audit",
        "source": "L2.5",
        "result": "pass",
        "timestamp": "2026-08-20T00:00:00Z"
      }
    ],
    "assessor": "MarketNow Sentinel CA",
    "assessed_at": "2026-08-20T00:00:00Z",
    "expires_at": "2027-08-20T00:00:00Z"
  },
  "capabilities": {
    "provides": [
      "search",
      "read"
    ],
    "requires": [],
    "protocols": [
      "mcp"
    ]
  },
  "provenance": {
    "source": "marketnow",
    "original_signature_hash": "sha256:valid_test",
    "original_format": "atc-v2"
  },
  "lifecycle": {
    "issued_at": "2026-08-20T00:00:00Z",
    "expires_at": "2027-08-20T00:00:00Z",
    "revoked": false,
    "version": "2.0.0"
  },
  "format": {
    "type": "atc-v2",
    "version": "2.0.0",
    "raw": "...(original ATC card preserved)..."
  },
  "warnings": []
}