curl --request POST \
  --url https://api.merchantops.ai/api/product-types/upload-properties-csv \
  --header 'Content-Type: application/json' \
  --data '
{
  "csv_content": "<string>"
}
'

{
  "created": 123,
  "failed": 123,
  "total": 123,
  "updated": 123,
  "errors": [
    {
      "error": "<string>",
      "row": 123,
      "key": "<string>"
    }
  ],
  "skipped": 0
}