The serial number object

idUnique identifier for the object.
transaction_idUnique identifier for the transaction object.
serial_numberThe code of the serial number.
resource_typeResource type that the serial number transaction is attached to.
resource_idUnique identifier for the resource.
transaction_dateThe timestamp when the transaction was created.
quantity_changeItem transaction's quantity change, 1 indicates increase of the item in stocks, -1 indicates decrease of the item in stocks