fix auto renew status

appstore/model.go

@@ -95,7 +95,7 @@ type (
 
 		IsTrialPeriod        string `json:"is_trial_period"`
 		IsInIntroOfferPeriod string `json:"is_in_intro_offer_period,omitempty"`
-		IsUpgraded           string `json:"is_upgraded"`
+		IsUpgraded           string `json:"is_upgraded,omitempty"`
 
 		ExpiresDate
 
@@ -104,7 +104,6 @@ type (
 
 		CancellationDate
 		CancellationReason string `json:"cancellation_reason,omitempty"`
-		IsUpgraded         string `json:"is_upgraded,omitempty"`
 	}
 
 	// The Receipt type has whole data of receipt
@@ -158,7 +157,7 @@ type (
 		LatestReceiptInfo              InApp       `json:"latest_receipt_info,omitempty"`
 		LatestExpiredReceiptInfo       InApp       `json:"latest_expired_receipt_info,omitempty"`
 		LatestReceipt                  string      `json:"latest_receipt,omitempty"`
-		SubscriptionAutoRenewStatus    string `json:"auto_renew_status,omitempty"`
+		SubscriptionAutoRenewStatus    interface{} `json:"auto_renew_status,omitempty"`
 		SubscriptionAutoRenewProductID string      `json:"auto_renew_product_id,omitempty"`
 		SubscriptionRetryFlag          string      `json:"is_in_billing_retry_period,omitempty"`
 	}