curl --request GET \
  --url http://localhost:8080/cabinet/admin/traffic

{
  "items": [
    {
      "user_id": 123,
      "telegram_id": 123,
      "username": "<string>",
      "email": "<string>",
      "full_name": "<string>",
      "tariff_name": "<string>",
      "subscription_status": "<string>",
      "traffic_limit_gb": 123,
      "device_limit": 123,
      "node_traffic": {},
      "total_bytes": 123
    }
  ],
  "nodes": [
    {
      "node_uuid": "<string>",
      "node_name": "<string>",
      "country_code": "<string>"
    }
  ],
  "total": 123,
  "offset": 123,
  "limit": 123,
  "period_days": 123,
  "available_tariffs": [
    "<string>"
  ],
  "available_statuses": [
    "<string>"
  ]
}