Campaign Item Fields

{
   "id": "1",
   "campaign_id": "1234",
   "type": "ITEM",
   "url": "http://news.example.com/demo_article_1.html",
   "thumbnail_url": "http://cdn.example.com/demo_image_1.jpg",
   "title": "Demo Item 1",
   "approval_state": "APPROVED",
   "is_active": true,
   "status": "RUNNING"
    "policy_review": {
        "reject_reason": null
    },
    "cta": null,
    "creative_focus": {
        "type": "AUTOMATIC",
        "coordinates": null
    }
}