diff --git a/go/changelog.md b/go/changelog.md
index 7f923b3..664823c 100644
--- a/go/changelog.md
+++ b/go/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.3.0
+
+2022-11-22
+
+- add common response field `time_ms` for time of message created
+
 ## v0.2.8
 
 2022-10-21
diff --git a/go/model.go b/go/model.go
index 848d932..0d95c51 100644
--- a/go/model.go
+++ b/go/model.go
@@ -7,6 +7,7 @@ import (
 
 type UpdateMsg struct {
 	Time    int64           `json:"time"`
+	TimeMs  int64           `json:"time_ms"`
 	Id      *int64          `json:"id,omitempty"`
 	Channel string          `json:"channel"`
 	Event   string          `json:"event"`