<meta-data
    android:name="CLEVERTAP_ACCOUNT_ID"
    android:value="Your CleverTap Account ID"/>
 <meta-data
        android:name="CLEVERTAP_TOKEN"
        android:value="Your CleverTap Account Token"/>

<!-- Required to allow the app to send events and user profile information -->
<uses-permission android:name="android.permission.INTERNET"/>
<!-- Recommended so that CleverTap knows when to attempt a network call -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

import com.clevertap.react.CleverTapModule;

@Override
	protected void onCreate(Bundle savedInstanceState) {
    	super.onCreate(savedInstanceState);
    	CleverTapModule.setInitialUri(getIntent().getData());
	}
}

import com.clevertap.android.sdk.ActivityLifecycleCallback;

@Override
  public void onCreate() {

    ActivityLifecycleCallback.register(this); 
    super.onCreate();
    SoLoader.init(this, /* native exopackage */ false);

    if (!BuildConfig.DEBUG) {
      UpdatesController.initialize(this);
    }

    initializeFlipper(this, getReactNativeHost().getReactInstanceManager());
  }

package com.second;

import android.os.Bundle;
import android.util.Log;
import com.clevertap.android.sdk.CleverTapAPI;
import com.clevertap.android.sdk.pushnotification.NotificationInfo;
import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;
import java.util.Map;
public class MyFirebaseMessagingService extends FirebaseMessagingService {
    @Override
    public void onMessageReceived(RemoteMessage message){
        try {
            if (message.getData().size() > 0) {
                Bundle extras = new Bundle();
                for (Map.Entry<String, String> entry : message.getData().entrySet()) {
                    extras.putString(entry.getKey(), entry.getValue());
                }
                Log.e("TAG","onReceived Mesaage Called");
                NotificationInfo info = CleverTapAPI.getNotificationInfo(extras);
                if (info.fromCleverTap) {
                    //Create Notification Channel
                    CleverTapAPI.createNotificationChannel(getApplicationContext(), "generic", "generic", "generic", 2, true);

                    CleverTapAPI.createNotificationChannel(getApplicationContext(), "123456", "123456", "Your Channel Description", 2, true);
                    // Creating a Notification Channel With Sound Support
                    //        CleverTapAPI.createNotificationChannel(getApplicationContext(), "got", "Game of Thrones", "Game Of Thrones", NotificationManager.IMPORTANCE_MAX, true, "gameofthrones.mp3");

                    CleverTapAPI.createNotificationChannel(getApplicationContext(), "got", "Game of Thrones", "Game Of Thrones", 2, true, "gameofthrones.mp3");


                    CleverTapAPI.createNotification(getApplicationContext(), extras);
                }
            }
        } catch (Throwable t) {
            Log.d("MYFCMLIST", "Error parsing FCM message", t);
        }
    }
    @Override
    public void onNewToken(String token) {
        CleverTapAPI.getDefaultInstance(this).pushFcmRegistrationId(token,true);
        // If you want to send messages to this application instance or
        // manage this apps subscriptions on the server side, send the
        // Instance ID token to your app server.
        //sendRegistrationToServer(token);
    }
} 

//Update your channels above