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Environment: ProductionProduct type: SubscriptionClient- completed a subscription purchase- sent to the server: - transaction ID: 520000448162796 - receipt: MIIUFAYJKoZ...vn3Zdfsb8=Server- sends this receipt to the Apple's verification server (buy.itunes.apple.com/verifyReceipt)- gets receipt/in_app/purchase:{ "quantity":"1", "product_id":"ru.rt.itv.dlyasvoih", "transaction_id":"520000448157321", "original_transaction_id":"520000448157321", "purchase_date":"2019-06-09 02:14:41 Etc\/GMT", "purchase_date_ms":"1560046481000", "purchase_date_pst":"2019-06-08 19:14:41 America\/Los_Angeles", "original_purchase_date":"2019-06-09 02:14:43 Etc\/GMT", "original_purchase_date_ms":"1560046483000", "original_purchase_date_pst":"2019-06-08 19:14:43 America\/Los_Angeles", "expires_date":"2019-07-09 02:14:41 Etc\/GMT", "expires_date_ms":"1562638481000", "expires_date_pst":"2019-07-08 19:14:41 America\/Los_Angeles", "web_order_line_item_id":"520000139001845", "is_trial_period":"false", "is_in_intro_offer_period":"false"}The question is,- why does the identifier of the completed transaction on the client do not match the identifier of the transaction from the receipt?520000448162796 vs 520000448157321- How to correctly validate a purchase on the server if the transaction ID changes?Additional information:- Is the first purchase on the client and this is not a renewal of the old subscription (the transaction identifier is equal to the original transaction identifier)- There are a lot of such cases: from 10 cases every day 😔 (I can provide more receipts and transaction identifiers not found)See also:https://forums.developer.apple.com/thread/84812https://forums.developer.apple.com/thread/68944Thanks, Roman