SubscriptionInfo
constructor(productIdentifier: String, purchaseDate: Date, originalPurchaseDate: Date?, expiresDate: Date?, store: Store, unsubscribeDetectedAt: Date?, isSandbox: Boolean, billingIssuesDetectedAt: Date?, gracePeriodExpiresDate: Date?, ownershipType: OwnershipType = OwnershipType.UNKNOWN, periodType: PeriodType, refundedAt: Date?, storeTransactionId: String?, requestDate: Date)