{"firebase_settings":"{\"apiKey\":\"your firebase apiKey\",\"authDomain\":\"your firebase authDomain\",\"databaseURL\":\"your firebase databaseURL\",\"projectId\":\"your firebase projectId\",\"storageBucket\":\"your firebase storageBucket\",\"messagingSenderId\":\"your firebase messagingSenderId\",\"appId\":\"your firebase appId\",\"measurementId\":\"your firebase measurementId\"}","vapidKey":null}