{
  "placements": [
    {
      "postId": "016db0f4-f8a4-46cb-b760-27501fd3f536",
      "clickUrl": "http://example.com",
      "impressionUrl": "http://example.com",
      "flightId": "12345",
      "priorityId": "123",
      "discloseAd": true
    }
  ]
}