diff --git a/event.go b/event.go
index 54d5176..ee06cca 100644
--- a/event.go
+++ b/event.go
@@ -8,16 +8,16 @@ import (
 
 // Event struct
 type Event struct {
-	EventID     string      `json:"event_id"`
-	EventTopic  string      `json:"event_topic"`
-	EventSender string      `json:"event_sender"`
-	EventMeta   MetaData    `json:"event_meta"`
-	EventData   interface{} `json:"event_data"`
-	EventTime   string      `json:"event_time"`
+	EventID     string   `json:"event_id"`
+	EventTopic  string   `json:"event_topic"`
+	EventSender string   `json:"event_sender"`
+	EventMeta   MetaData `json:"event_meta"`
+	EventData   any      `json:"event_data"`
+	EventTime   string   `json:"event_time"`
 }
 
 // NewEvent creates a new event
-func NewEvent(eventSender, eventTopic string, eventMeta MetaData, eventData []byte) *Event {
+func NewEvent(eventSender, eventTopic string, eventMeta MetaData, eventData any) *Event {
 	// check if eventMeta is nil
 	if eventMeta == nil {
 		eventMeta = NewMetaData()