title: Pushnotification not working properly
body: <p>Hello all I am following <a href="https://github.com/googlesamples/google-services" rel="nofollow">this</a> example I am able to generate registration token, but I am not able to get notification in my phone, can any one help me with this?</p>
  
  <p>When I try to check using this <a href="http://connect-survey.com/APK/bans_push/" rel="nofollow">http://connect-survey.com/APK/bans_push/</a> I'm getting this error now:</p>
  
  <blockquote>
    <p>{"multicast_id":6837230096397340828,"success":0,"failure":1,"canonical_ids":0,"results":[{"error":"MismatchSenderId"}]}</p>
  </blockquote>