{
    "B2BSizeID": 12345, //0 if a supplier sku is supplied
    "SupplierItemCode": null, //null if a b2b sizeid is sent otherwise unique sku
    "WarehouseCode": "abcde", //warehouse indentifier within B2B systems (provided by B2B)
    "QuantityAvailable": 1234,
    "NextDueDate": "0001-01-01T00:00:00", //Date when next due at supplier - use 001-01-01T00:00:00 if not due
    "TakeAccountOfUnprocessedOrders": false, //If set true stock on B2B will relect quantityavailable less quantities on unacknowlegded orders to supplier
    "ObjectType": "Stock",
    "ShopID": 0, //ShopID or CompanyID + Client Code or SupplierID + ClientCode required
    "CompanyID": 0,
    "ClientCode": "ABC",
    "SupplierID": 0,
    "Signature": "yMj/4q9CTnTxdWJTPxin1b41gYScz+ZiTCP7RJRImV0=", //AES256 Hash of SignedString + shared secret
    "SignedString": "String containing Key values - typically Supplier or Company ID plus object type plus timestamp",
    "DateTimeStamp": 1234567.1234, //Supply either Julian timestamp or last update date & time
    "LastUpdated": "2019-05-16T13:40:37.824",
    "EDIDocType": "stock"
}