JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.1.0/js.cookie.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap3-dialog/1.34.9/css/bootstrap-dialog.css" rel="stylesheet" type="text/css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap3-dialog/1.34.9/js/bootstrap-dialog.js"></script>

JavaScript

$(document).ready(function(){
    setTimeout(function(){
    	BootstrapDialog.show({
      	title: 'Subscribe our Newsletter',
        message: '<img src="https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRYXNLuN8M8-f0TZUM9DIiMD3bNN6B8hyvlyttFrUdN423bn7ZD">'
      });  	
    },3000);
 });