  <div class="app">
            <h2>Channel:</h2>
            <div id="subcribed" class="event listening">Not subscribed</div>
            <br/>
            <input type="text" id="channel" />
            <br/>
            <input type="button" value="Subscribe push" onclick="subscribe()"/>
            <br/>
            <h2>Push Payload:</h2>
            <label value="Payload result" id="payload" class="event listening">Payload result</label>
            <br/>
            <input type="button" value="Clear pus