curl --request POST \
  --url http://localhost:8000/api/v1/analysis/recommendations/negative-keywords/{recommended_negative_keyword_id}/apply \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "<string>",
  "negative_keyword": {
    "status": "pending",
    "is_manually_generated": true,
    "keyword": "<string>",
    "match_type": "<string>",
    "reason": "<string>",
    "campaign": {
      "id": 123,
      "name": "<string>",
      "status": "<string>",
      "channel_type": "SEARCH"
    },
    "date_regenerated": "2023-11-07T05:31:56Z",
    "date_added": "2023-11-07T05:31:56Z",
    "date_updated": "2023-11-07T05:31:56Z",
    "id": 123,
    "budget_saving": 123
  }
}