Import trade-ins by product IDs

{
  "csv_import": "abc123",
  "provider_id": "abc123"
}

{
  "failed_count": 1,
  "failed_items": [
    {
      "line_number": 1,
      "reason": "abc123"
    }
  ],
  "skipped_count": 1,
  "skipped_items": [
    {
      "line_number": 1,
      "reason": "abc123"
    }
  ],
  "succeeded_count": 1,
  "total_count": 1
}