Retrieve a invoice by id

{
    "id": 4,
    "number": "F24000001",
    "date": "2024-04-05T08:30:05.293",
    "reference": "",
    "externNumber": "",
    "origin": {
        "code": "",
        "description": ""
    },
    "customer": {
        "id": 10,
        "number": "R000000005",
        "gender": "Man",
        "title": "Dhr.",
        "initials": "J.",
        "firstName": "Jan",
        "infix": "",
        "lastName": "Jansen",
        "companyName": "",
        "phoneNumber": "",
        "mobileNumber": "06-12345678",
        "email": "jan@jansen.com",
        "remark": "Niet beschikbaar op maandag en dinsdag!",
        "address": {
            "street": "Wethouder Buitenhuisstraat",
            "houseNumber": "2B",
            "zipCode": "7951 SM",
            "city": "Staphorst",
            "country": "NL"
        }
    },
    "invoiceAddress": {
        "street": "Wethouder Buitenhuisstraat",
        "houseNumber": "2B",
        "zipCode": "7951 SM",
        "city": "Staphorst",
        "country": "NL"
    },
    "paymentCondition": {
        "id": 1,
        "description": "Pin / contant bij levering",
        "code": "PC"
    },
    "payments": [],
    "comment": {
        "intern": "",
        "extern": ""
    },
    "lines": [
        {
            "id": 3,
            "lineNumber": "10",
            "code": "LT0000000075",
            "description": "De wanden behandelen.",
            "salesGroup": {
                "code": "900",
                "description": "Arbeid wanden"
            },
            "quantity": 1,
            "partPrice": 50,
            "discount": 10,
            "linePrice": 50,
            "vat": 0,
            "comment": {
                "intern": "",
                "extern": ""
            },
            "configuration": {
                "id": 0,
                "items": []
            }
        }
    ],
    "totalAmount": 50
}