curl --request GET \
  --url http://localhost:8080/stats/overview

{
  "users": {
    "total": 12345,
    "active": 9876,
    "blocked": 321,
    "balance_kopeks": 1234567,
    "balance_rubles": 12345.67
  },
  "subscriptions": {
    "active": 4321,
    "expired": 210
  },
  "support": {
    "open_tickets": 42
  },
  "payments": {
    "today_kopeks": 654321,
    "today_rubles": 6543.21
  }
}