{
  "source_id": 3,
  "source_file": "Copy-of-Global-Iron-Ore-Mines-Tracker---August-2025---Standard-Copy-V1DATA-TEAM-COPY-Main.xlsx",
  "source_sheet": "Data",
  "source_table": "derived_Copy_of_Global_Iron_Ore_Mines_Tracker___August_2025___Standard_Copy_V1DATA_TEAM_COPY_Main_Data",
  "asset_type": "Iron Ore Mine",
  "load_timestamp": "2026-07-28 08:13:09.780871",
  "row_count_input": null,
  "row_count_output": 949,
  "rows_filtered": null,
  "url": "/catalog/sources/3",
  "field_mappings_url": "/catalog/field-mappings?source_id=3"
}