curl --request GET \
  --url https://api.brightdata.com/datasets/deep_lookup/v1/preview/{id} \
  --header 'Authorization: Bearer <token>'

{
  "preview_id": "<string>",
  "query": "<string>",
  "status": "pending",
  "sample_data": [
    {}
  ],
  "columns": [
    {}
  ],
  "result_limit": 123
}