title: Pusher - don't accept pushed event from same source
body: <p>I'm using Pusher to Push events to my subscribed browsers.</p>
  
  <p>When I send an update to my server, my server sends a Push event out, and my client (which originated the request) and any other clients that are subscribed are triggered.</p>
  
  <p>The problem I have is the client where the event originated also gets the Pushed event.</p>
  
  <p>Is there a way of identifying which client initiated the Push event? or preventing the originating client from either receiving the Push or at least querying the event for signs of the originator??</p>