Registration token is not valid FCM registration token - Mendix Push Notification FireBase Module

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Module Used: Firebase Module I have followed all the steps given in this link https://docs.mendix.com/howto7/mobile/push-notifications Able to get the access token and registration token in mendix debugger mode, when i send a message to a particular topic. But the problem is, i receive the error status code ‘INVALIDARGUMENT’ ie. Registration token is not valid FCM registration token when FCM POST method is invoked in microflow. But it works fine when i try it firebase console but not working via mendix implementation. How to overcome this issue? To receive the push notifications in android device. Please find the response i got in postman when i tried to access the FCM API  
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