@Override
	@Command
	public MessageResponse subscribe(String fileName, int number) throws IOException {
		if(clientSocket == null) return new MessageResponse("Please login to perform this action");
		if(number <= 0) return new MessageResponse("Number must be greater than 0");
		if(initRMI()) return proxyRMI.subscribe(this,loggedInUserName,fileName,number);
		else return new MessageResponse("Cannot connect to Proxy via RMI");
	}