added Serialize

src/lib.rs

@@ -183,18 +183,18 @@ struct NetworkReq<'a> {
     client_id: &'a str,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct NetworkRespSingleNetwork {
     pub name: String,
     pub code: String,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct NetworkRespNetworks  {
     pub network: Vec<NetworkRespSingleNetwork>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct NetworkResp {
     pub result: NetworkRespNetworks,
 }