json definition with remarks:

{
    "publicSalt": "",
    "publicSignature": "",
    "integritySignature": "",
    "uid": "",
    "iaprSignPolicy": 2,
    "uniqueId": "",
    "authenticationCode": "",
    "currencyCode": "EUR",
    "invoiceTypeCode": "2.3",
    "specialInvoiceCategory": 0,
    "variationType": 0,
    "documentType": "ΧΡΕΩΣΤΙΚΟ ΑΞΙΑΚΟ ΤΙΜΟΛΟΓΙΟ",
    "documentTypeCode": "INVOICE",
    "isDeliveryNote": false,
    "OrderNumber": "",
    "DistributionDetails.DeliveryDestinationDetails.Address.GLN": "",
    "series": "A",
    "number": "0000011",
    "dateIssued": "2024-10-21T09:13:34",
    "relativeDocuments": [],
    "issuer": {
        "registeredName": "issuer's name",
        "vat": "EL118058830",
        "taxOffice": "ΙΒ ΑΘΗΝΩΝ",
        "activities": [
            "ΦΑΡΜΑΚΕΥΤΙΚΗ ΕΤΑΙΡΕΙΑ Ε.Π.Ε"
        ],
        "phones": [
            "00000000"
        ],
        "faxes": [
            "00000000"
        ],
        "emails": [
            ""
        ],
        "address": {
            "country": "Ελλάδα",
            "countryCode": "GR",
            "city": "issuer's city",
            "street": "issuer's street",
            "postal": "11528"
        },
        "posId": "0"
    },
    "counterParty": {
        "registeredName": "counter party's name",
        "vat": "GB",
        "taxOffice": "",
        "activities": [
            ""
        ],
        "phones": [
            ""
        ],
        "address": {
            "countryCode": "GB",
            "city": "counter party's city",
            "street": "counter party's street",
            "postal": "RH16 1AH"
        },
        "code": "0000011040"
    },
    "recipient": {
        "registeredName": "Recipient's name",
        "vat": "GB",
        "address": {
            "countryCode": "GB",
            "city": "Recipient's city",
            "street": "Recipient's street",
            "postal": "RH16 1AH"
        }
    },
    "allowancesCharges": [],
    "distributionDetails": {
        "internalDocumentId": "18200000246"
    },
    "paymentDetails": {
        "paymentMethods": [
            {
                "paymentMethodType": "ΧΡΕΩΣΗ",
                "paymentMethodTypeCode": 3,
                "amount": 50500,
                "contactless": false
            }
        ]
    },
    "additionalDetails": {
        "accountingDepartmentEmails": [
            ""
        ],
        "transmissionMethod": "A",
        "avoidEmailGrouping": false,
        "documentTemplate": "FI"
    },
    "details": [
        {
            "lineNo": 1,
            "classificationLineNo": 1,
            "ItemCodification": "",
            "descriptions": [
                "Product's specifications"
            ],
            "quantity": 1,
            "unitPrice": 50500,
            "netTotal": 50500,
            "total": 50500,
            "vatTotal": 0,
            "vatExemptionCategoryCode": 4,
            "vatCategory": "0.00",
            "vatCategoryCode": 7,
            "isInformative": false,
            "isHidden": false,
            "recordTypeCode": 0,
            "incomeClassification": {
                "id": 0,
                "classificationTypeCode": "E3_562",
                "classificationCategoryCode": "category1_5",
                "amount": 0
            }
        }
    ],
    "summaries": {
        "totalNetAmount": 50500,
        "totalVATAmount": 0,
        "totalGrossValue": 50500
    },
    "vatAnalysis": [
        {
            "name": "0.00",
            "percentage": 0,
            "vatAmount": 0,
            "underlyingValue": 50500
        }
    ],
    "miscellaneousData": {
        "moreInformation1": "",
        "moreInformation3": ""
    },
    "isDelayed": false,
    "isDelayedCode": 0
}