curl --request GET \
  --url https://api.example.com/cabinet/referral \
  --header 'Authorization: Bearer <token>'

{
  "referral_code": "<string>",
  "referral_link": "<string>",
  "total_referrals": 123,
  "active_referrals": 123,
  "total_earnings_kopeks": 123,
  "total_earnings_rubles": 123,
  "commission_percent": 123
}