Sample notification from Eventbus

<message from='eventbus.shakespeare.lit' to='francisco@denmark.lit' id='foo'>
  <event xmlns='http://jabber.org/protocol/pubsub#event'>
    <items node='EventName|tigase:demo'>
      <item>
        <EventName xmlns="tigase:demo" eventSource="samplecomponent.shakespeare.lit'" eventTimestamp="1444216850">
          <sample_value>1</sample_value>
        </EventName>
      </item>
    </items>
  </event>
</message>