Get detail of a payment bill

{
    "billId": "KB2018007144",
    "sessionCreated": "2018-04-20T14:48:29+02:00",
    "createdAt": "2018-04-20T14:49:03+02:00",
    "paidAt": "2018-04-20T14:49:02+02:00",
    "fiscalizedAt": "2018-04-20T14:49:07+02:00",
    "finalPrice": "10.00",
    "finalPriceWithoutTax": "8.26",
    "taxSummaries": {
        "15": "1.74"
    },
    "taxes": [
        {
            "vat": "15",
            "totalVat": "1.74",
            "totalWithoutVat": "8.26"
        }
    ],
    "discount": "0.00",
    "rounding": "0.00",
    "tips": "0.00",
    "currencyCode": "CZK",
    "refunded": false,
    "deleted": false,
    "paymentMethod": "cash",
    "payments": [
        {
            "paymentMethod": "cash",
            "priceWithVat": "10"
        }
    ],
    "createdBy": {
        "personId": 2187839,
        "fullName": "George Bush",
        "userName": "thegeorgebush"
    },
    "paidBy": {
        "personId": 2187839,
        "fullName": "Slide a Lama",
        "userName": "theslidealama"
    },
    "personCount": 1,
    "deskId": null,
    "issuedAsVatPayer": true,
    "fiscalData": {
        "mode": 1,
        "endpoint": "https://prod.eet.cz:443/eet/services/EETServiceSOAP/v3",
        "fik": "4974d3d2-3adb-4608-b046-a51f47829fff-01",
        "pkp": "JXMIBqSrrfwefregeg8qW9Uncr6VgLa9kWlV+1H1/dxN98qWq3W9r85RkawllTlJnrmSc/VZu9LPy5Uofsoo1ZAFUwe+ZVZ7qDKa8ZPZGFV9lAm+C8v0ze8KXrmmxjY5UVyVnoWaB2UFyHE1aw/cUjqj5zmW7O/T+V5/u/q7kmWf2CVA4FfioWQDxsc1L0noQReL64oYmgKiZPfuFDZcdlH41gWG5mc+n0a5WMfDZXZOoAXIwAGxw67w9/WzG7hKZePk4T5kqvsFthsyKh/1gwJCxy8fKkmBYRHyzn0TclwRrToPZk1RU0hfrcyG81hqYqdKRRmkyWM/mQCzSYxrQ==",
        "bkp": "daf0575c-5fde4f72-d96778f6-06455d77-b115f6ff",
        "httpStatusCode": 200
    },
    "invoiceData": null,
    "customerId": null,
    "loyaltyOfferId": null,
    "loyaltyProviderId": null,
    "keepLoyaltyBenefitsUsed": true,
    "orderProvider": {
        "code": "dj",
        "orderId": "5a75b658f60a3c15009312f1"
    },
    "items": [
        {
            "name": "Hotdog",
            "amount": 1,
            "measure": "pcs",
            "price": 45,
            "vatRate": 0.15,
            "productId": "p:xf75Uew",
            "decodedId": 54,
            "categoryId": "c:abcdfes",
            "hasAdditionsWithCode": null,
            "additionsCode": null,
            "ean": "012345678910",
            "discounts": [
                {
                    "originalPrice": 50,
                    "amountType": "percentage",
                    "percentValue": 10,
                    "absoluteValue": 5,
                    "discountType": "customPerItem",
                    "note": "discount note"
                }
            ]
        },
        {
            "name": "Pizza",
            "amount": 1,
            "measure": "pcs",
            "price": 55,
            "vatRate": 0.15,
            "productId": "p:ief75ew",
            "decodedId": 88,
            "categoryId": "c:sijsfjwd",
            "hasAdditionsWithCode": "00e99787-2939-417a-b043-6047ceb0117d",
            "additionsCode": null,
            "ean": null,
            "discounts": null
        },
        {
            "name": "Extra cheese on pizza",
            "amount": 1,
            "measure": "pcs",
            "price": 15,
            "vatRate": 0.15,
            "productId": "p:taHFmNmJt",
            "decodedId": 65,
            "categoryId": null,
            "hasAdditionsWithCode": null,
            "additionsCode": "00e99787-2939-417a-b043-6047ceb0117d",
            "ean": null,
            "discounts": null
        }
    ]
}