anchor.diff:      _messager.send(jsonMessage);
     }
   
  -  /// _recieve
  +  /// _receive
     ///
     /// Message receive method
     Future _receive(Timer timer) async {
  
positive.code: 
    /// Receive timer duration
    const Duration rxDuration = const Duration(seconds: 10);
  
    /// Dartivity
    /// mode - the operational mode of the client
  
negative.code:     String messageString = message.asString;
      DartivityMessage dartivityMessage =
          new DartivityMessage.fromJSON(messageString);
      _messageRxed.add(dartivityMessage);
    }
  }
  