{
    "success": true,
    "bill_amount": "12.34",
    "paid_eur": "0.00",
    "paid_bgn": "30.00",
    "paid_bgn_in_eur": "15.34",
    "total_paid_eur": "15.34",
    "change_eur": "3.00",
    "insufficient": false,
    "rate": 1.95583
}