diff --git a/model/affiliate_response.go b/model/affiliate_response.go
index 5ab3245..80a4707 100644
--- a/model/affiliate_response.go
+++ b/model/affiliate_response.go
@@ -1,7 +1,5 @@
 package model
 
-import "time"
-
 // GetTransactionsResponse ...
 type GetTransactionsResponse struct {
 	Total int64             `json:"total"`
@@ -18,10 +16,10 @@ type TransactionInfo struct {
 	Source                   string                     `json:"source"`
 	Commission               ResponseCampaignCommission `json:"commission"`
 	EstimateSellerCommission float64                    `json:"estimateSellerCommission"`
-	TransactionTime          time.Time                  `json:"transactionTime"`
+	TransactionTime          string                     `json:"transactionTime"`
 	Status                   string                     `json:"status"`
 	RejectedReason           string                     `json:"rejectedReason"`
-	EstimateCashbackAt       time.Time                  `json:"estimateCashbackAt"`
+	EstimateCashbackAt       string                     `json:"estimateCashbackAt"`
 }
 
 // ResponseCampaignCommission ...