curl --request GET \
  --url https://api-next.ofauth.com/v2/access/statistics/visitor-countries/top \
  --header 'apiKey: <api-key>'

{
  "isAvailable": true,
  "hasStats": true,
  "topCountries": {
    "hasMore": true,
    "totals": {
      "total": 123,
      "guests": "<string>",
      "users": "<string>",
      "subscribers": 123
    },
    "rows": [
      {
        "rank": 123,
        "countryName": "<string>",
        "countryCode": "<string>",
        "viewsCount": {
          "total": 123,
          "guests": 123,
          "users": 123,
          "subscribers": 123
        }
      }
    ]
  }
}