             return nil
         }
         return Date(millisecondsSince1970: requestDateString)
+    }
+    
+    private class func getInAppReceipt(receipt: ReceiptInfo) -> [ReceiptInfo]? {
+        
+        let appReceipt = receipt["receipt"] as? ReceiptInfo
+        return appReceipt?["in_app"] as? [ReceiptInfo]
     }
 
     /**

    ) -> VerifyPurchaseResult {

        // Get receipts info for the product
        let appReceipt = receipt["receipt"] as? [String: AnyObject]
        let receiptsInfo = appReceipt?["in_app"] as? [ReceiptInfo]
        let filteredReceiptsInfo = filterReceiptsInfo(receipts: receiptsInfo, withProductId: productId)
        let nonCancelledReceiptsInfo = filteredReceiptsInfo.filter { receipt in receipt["cancellation_date"] == nil }

        let receiptItems = nonCancelledReceiptsInfo.flatMap { ReceiptItem(receiptInfo: $0) }

        case .autoRenewable:
            return (receipt["latest_receipt_info"] as? [ReceiptInfo], nil)
        case .nonRenewing(let duration):
            return (getInAppReceipt(receipt: receipt), duration)
        }
    }

