diff --git a/subscribe_message.go b/subscribe_message.go
index c4002bd..b16b43a 100644
--- a/subscribe_message.go
+++ b/subscribe_message.go
@@ -1,8 +1,10 @@
 package overflow_subscriber
 
+import "encoding/json"
+
 type SubscribeMessage struct {
-	Targets []string `json:"targets"`
-	Message []byte   `json:"message"`
+	Targets []string         `json:"targets"`
+	Message *json.RawMessage `json:"message"`
 }
 
 type SubscribeMessageBody struct {