update data

Examples/firebase-migration/app/App.js

@@ -98,8 +98,7 @@ class MainPage extends Component {
     .setBody("Force touch to reply")
     .setSound("bell.mp3")
     .setData({
-      key1: 'value1',
-      key2: 'value2'
+      now: new Date().toISOString()
     });
     notification.ios.badge = 10
     notification.android.setAutoCancel(true);
@@ -125,8 +124,7 @@ class MainPage extends Component {
     .setBody("Force touch to reply")
     .setSound("bell.mp3")
     .setData({
-      key1: 'value1',
-      key2: 'value2'
+      now: new Date().toISOString()
     });
     notification.android.setChannelId("test-channel")
     notification.android.setPriority(firebase.notifications.Android.Priority.High)

Examples/firebase-migration/app/Listeners.js

@@ -15,8 +15,8 @@ function displayNotificationFromCustomData(message: RemoteMessage){
   }
 }
 
-export function registerKilledListener(message: RemoteMessage){
-  AsyncStorage.setItem('lastNotification', JSON.stringify(message.data));
+export async function registerKilledListener(message: RemoteMessage){
+  await AsyncStorage.setItem('lastNotification', JSON.stringify(message.data));
   displayNotificationFromCustomData();
 }