curl --request GET \
  --url http://localhost:8080/cabinet/referral/withdrawal/balance

{
  "total_earned": 123,
  "referral_spent": 123,
  "withdrawn": 123,
  "pending": 123,
  "available_referral": 123,
  "available_total": 123,
  "only_referral_mode": true,
  "min_amount_kopeks": 123,
  "is_withdrawal_enabled": true,
  "can_request": true,
  "cannot_request_reason": "<string>",
  "requisites_text": ""
}