OrderLookupResponse of Look Up Order ID API

In what cases does the transaction in the 'signedTransactions' property array respond with more than one transaction?

Is it the case that the in-app purchase product type is 'Auto-Renewable Subscription'?

https://developer.apple.com/documentation/appstoreserverapi/look_up_order_id

https://developer.apple.com/documentation/appstoreserverapi/orderlookupresponse

An order id may refer to multiple purchases within Apple's system. This does not have a correlation with Auto-Renewable Subscriptions.

OrderLookupResponse of Look Up Order ID API
 
 
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