{
  "operation": "header",
  "header": {
    "protocol": "yachtmemory.signalk-catalog/2",
    "vessel_id": "e4b76f55-6bd9-4a2e-ab5a-8c538d9311fd",
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    "revision": 3,
    "discovered_at_utc": "2026-11-03T15:00:00.000Z",
    "scope": "current-selected-sources",
    "inventory_coverage": "selected-only",
    "transport_complete": true,
    "chunk_count": 3,
    "record_count": 7,
    "document_sha256": "09d2bf88570907db8be1e8cd3af1d8c6badd833ede119af78863dca9ceda9b3f"
  }
}
