title: Angularjs: Is there any way to send push notifications using angular js and FCM
body: <p>I'm working on ionic app and need to send PUSH Notifications using FCM. 
  I want to test push notification only for two devices. As I already have token for both device. </p>
  
  <p>Is there any way to send REST api POST request using angularjs to FCM to send push notification to device ? </p>