diff --git a/types/data.go b/types/data.go
index b311fec..babdddc 100644
--- a/types/data.go
+++ b/types/data.go
@@ -1,6 +1,7 @@
 package types
 
 import (
+	"encoding/json"
 	"errors"
 )
 
@@ -270,3 +271,17 @@ func (data Data) MustGetTimestamp(key string) Timestamp {
 	value, _ := data.GetTimestamp(key)
 	return value
 }
+
+func (data Data) JSON() ([]byte, error) {
+	bs, err := json.Marshal(&data)
+	if err != nil {
+		return nil, err
+	}
+
+	return bs, nil
+}
+
+func (data Data) MustJSON() []byte {
+	bs, _ := data.JSON()
+	return bs
+}