diff --git a/subscriptions/models.py b/subscriptions/models.py
index c8c0c5e..cc890a1 100644
--- a/subscriptions/models.py
+++ b/subscriptions/models.py
@@ -29,6 +29,36 @@ class ASSNotification(models.Model):
     requestIdentifier = models.CharField(max_length=100, null=True, blank=True)
 
     # Offers
-    offerDiscountType = models.CharField(max_length=100, null=True, blank=True)
-    offerIdentifier = models.CharField(max_length=100, null=True, blank=True)
-    offerType = models.IntegerField(null=True, blank=True)
+    # offerDiscountType = models.CharField(max_length=100, null=True, blank=True)
+    # offerIdentifier = models.CharField(max_length=100, null=True, blank=True)
+    # offerType = models.IntegerField(null=True, blank=True)
+    offer_type = models.IntegerField(
+            null=True,
+            blank=True,
+            choices=[
+                (1, 'INTRODUCTORY_OFFER'),
+                (2, 'PROMOTIONAL_OFFER'),
+                (3, 'SUBSCRIPTION_OFFER_CODE'),
+                (4, 'WIN_BACK_OFFER'),
+            ],
+            help_text="A value that represents the promotional offer type."
+        )
+
+    offer_identifier = models.CharField(
+        max_length=255,
+        null=True,
+        blank=True,
+        help_text="The identifier that contains the promo code or the promotional offer identifier."
+    )
+
+    offer_discount_type = models.CharField(
+        max_length=20,
+        null=True,
+        blank=True,
+        choices=[
+            ('FREE_TRIAL', 'FREE_TRIAL'),
+            ('PAY_AS_YOU_GO', 'PAY_AS_YOU_GO'),
+            ('PAY_UP_FRONT', 'PAY_UP_FRONT'),
+        ],
+        help_text="The payment mode for an introductory offer, promotional offer, or offer code on an auto-renewable subscription."
+    )
diff --git a/subscriptions/views.py b/subscriptions/views.py
index 9c62f9a..2d55b36 100644
--- a/subscriptions/views.py
+++ b/subscriptions/views.py
@@ -75,6 +75,14 @@ def decodePayload(signedPayload):
             if transaction_info.revocationDate:
                 revocationDateTime = datetime.datetime.fromtimestamp(transaction_info.revocationDate / 1000)
 
+            offer_type = None
+            if payload.offerType is not None:
+                offer_type = int(payload.offerType)
+
+            offer_discount_type = None
+            if payload.offerDiscountType is not None:
+                offer_discount_type = payload.offerDiscountType.value
+
             notification = ASSNotification(
                 notificationType=payload.notificationType,
                 subtype=payload.subtype,
@@ -93,9 +101,9 @@ def decodePayload(signedPayload):
                 storefront=transaction_info.storefront,
                 transactionId=transaction_info.transactionId,
                 transactionReason=transaction_info.rawTransactionReason,
-                offerDiscountType=payload.offerDiscountType,
+                offerDiscountType=offer_discount_type,
                 offerIdentifier=payload.offerIdentifier,
-                offerType=payload.offerType,
+                offerType=offer_type,
             )
             notification.save()
         elif payload.summary: