curl --request POST \
  --url https://api.adside.ai/google/sheets/meta-bulk-upload/write \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "spreadsheet_id": "<string>",
  "updates": [
    {
      "row_index": 123,
      "columns": {}
    }
  ],
  "tab": "Ad Sets"
}
'