{"database": "uap_deploy", "table": "sources", "rows": [[18, "SignGrudge-UAP", 1, null, null, "Project Sign (1948) and Project Grudge (1949) USAF UFO investigation records (Black Vault FOIA)", "2026-04-02T01:50:09"]], "columns": ["id", "name", "tier", "license", "base_url", "description", "created_at"], "primary_keys": ["id"], "primary_key_values": ["18"], "units": {}, "query_ms": 0.4850514233112335}