Subscription
fun Subscription(isActive: Boolean, vendorProductId: String, vendorTransactionId: String?, vendorOriginalTransactionId: String?, offerId: String?, store: String, activatedAt: String, renewedAt: String?, expiresAt: String?, startsAt: String?, isLifetime: Boolean, activeIntroductoryOfferType: String?, activePromotionalOfferType: String?, activePromotionalOfferId: String?, willRenew: Boolean, isInGracePeriod: Boolean, unsubscribedAt: String?, billingIssueDetectedAt: String?, isSandbox: Boolean, isRefund: Boolean, cancellationReason: String?)