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

{
  "subscription_expiry_enabled": true,
  "subscription_expiry_days": 3,
  "traffic_warning_enabled": true,
  "traffic_warning_percent": 80,
  "balance_low_enabled": true,
  "balance_low_threshold": 100,
  "news_enabled": true,
  "promo_offers_enabled": true
}