Pinpointing blocking point

side-node/src/websocket.rs

@@ -27,6 +27,7 @@ impl WebSocketClient {
         let stdin = std::io::stdin();
         let lines = stdin.lock().lines();
         for line in lines {
+            println!("We don't get here until we send a message");
             let line = line.unwrap();
             let signed_op = if let "exit" = line.as_str() {
                 break;