curl --request POST \
  --url https://api.topsort.com/public/v1/campaign-service/campaigns/{campaign-id}/restrictions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "restrictionTypeId": 123,
  "limit": 123
}
'

{
  "id": 123,
  "campaignId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "marketplaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "restrictionType": {
    "id": 123,
    "interactionType": "impressions",
    "frequencyType": "daily",
    "level": "campaign"
  },
  "limit": 123,
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "status": "active"
}