Get a placement

curl --request GET \
  --url https://your_a2_service/placements/{id} \
  --header 'Authorization: Bearer <token>'

{
  "created_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "no": 123,
  "campaign_permission": {
    "black": [],
    "white": []
  },
  "created_at": "2023-11-07T05:31:56Z",
  "description": "<string>",
  "display": {
    "clktype": 1,
    "displayfmt": {
      "ext": {},
      "h": 250,
      "w": 300
    },
    "h": 250,
    "mime": [],
    "nativefmt": {
      "ext": {}
    },
    "w": 300
  },
  "ext": {
    "approval_method": "admin",
    "display": {
      "enabled": 0
    },
    "native": {
      "enabled": 0
    },
    "payout": "rates",
    "responsive": "fixed",
    "target_ecpm": 0,
    "video": {
      "enabled": 0
    }
  },
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "is_active": false,
  "updated_at": "2023-11-07T05:31:56Z",
  "video": {
    "clktype": 1,
    "ctype": [
      2
    ],
    "delay": 0,
    "h": 300,
    "linear": 0,
    "maxdur": 0,
    "mime": [],
    "mindur": 0,
    "playmethod": [],
    "ptype": 1,
    "skip": 0,
    "skipafter": 0,
    "skipmin": 0,
    "w": 480
  }
}