The following code will help get the topics a firebase token is subscribed to. It will send a request to Firebase and ask for the reply. The reply is in a JSON file. Add the following code to your project, Add your Firebase project Key and Add the token, then call RequestTopics. Key Key can...
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Unfortunately, this is using the legacy key which will expire in June 2024.
Does any one know how to get the list of subscribed topics using the new service account method?