originalPurchaseDate
The purchase date for the version of the application when the user bought the app. Use this for grandfathering users when migrating to subscriptions. This can be null, see Purchases.restorePurchases.
The purchase date for the version of the application when the user bought the app. Use this for grandfathering users when migrating to subscriptions. This can be null, see Purchases.restorePurchases.