diff --git a/stream/mts/meta/meta.go b/stream/mts/meta/meta.go
index 97725252..a2d56e1a 100644
--- a/stream/mts/meta/meta.go
+++ b/stream/mts/meta/meta.go
@@ -76,18 +76,18 @@ func New() *Data {
 	}
 }
 
-func NewWith(key, data string) *Data {
-	meta := &Data{
-		data: make(map[string]string),
-		enc: []byte{
-			0x00,                   // Reserved byte
-			(majVer << 4) | minVer, // MS and LS versions
-			0x00,                   // Data len byte1
-			0x00,                   // Data len byte2
-		},
+// NewWith creates a meta.Data and fills map with initial data given. If there
+// is repeated key, then the latter overwrites the prior.
+func NewWith(data [][2]string) *Data {
+	m := New()
+	m.order = make([]string, 0, len(data))
+	for _, d := range data {
+		if _, exists := m.data[d[0]]; !exists {
+			m.order = append(m.order, d[0])
+		}
+		m.data[d[0]] = d[1]
 	}
-	meta.Add(key, data)
-	return meta
+	return m
 }
 
 // Add adds metadata with key and val.