What is this used for anyone know. There is more.
20170210 11:12:40.160 [D][MessagingYWA] : [thread:8009]logGCMSupportEvent: ifSupport is true
20170210 11:12:41.407 [I][NetworkHelper] : [thread:8021]networkAvailable() - active network type : WIFI
20170210 11:12:42.335 [I][GCMSubImpl] : [thread:8021]GCM registration ID: APA91bFcqfMaHtEJj_s9GZRg8leLcWjAOoq_JY67kkZ_Dqg1f20Y_qOoIkwmReTXGOa8J0_NGjiQRrMlBuAoQVuF9qajZGRG0RBGJBZnDHqxCFdQHeh2CSM
20170210 11:12:42.353 [D][RTSubImpl] : [thread:8021]start to doSubscription()
20170210 11:12:42.354 [D][SubscriptionManagerDAO] : [thread:8021]loadSubscriptionPreferences(), initial load
20170210 11:12:42.357 [D][SubscriptionManagerDAO] : [thread:8021]handlePreferenceUpgrade(), need to upgrade preference version
20170210 11:12:42.444 [D][SubscriptionManager] : [thread:8021]checkChannelIdChange(), channel id in use is APA91bFcqfMaHtEJj_s9GZRg8leLcWjAOoq_JY67kkZ_Dqg1f20Y_qOoIkwmReTXGOa8J0_NGjiQRrMlBuAoQVuF9qajZGRG0RBGJBZnDHqxCFdQHeh2CSM
20170210 11:12:42.549 [D][SubscriptionManager] : [thread:8021]checkChannelIdChange(), no channel id in storage
20170210 11:12:42.550 [D][SubscriptionManager] : [thread:8021]syncSubscriptions(), sync status is FIRST_SYNC_NEEDED
20170210 11:12:42.552 [I][NetworkHelper] : [thread:8021]networkAvailable() - active network type : WIFI
20170210 11:12:42.554 [D][RTSubImpl] : [thread:8021]list subscriptions YQL is select * from onepush.subscriptions where producer_id="onepush" and producer_key="com.tumblr" and channel_type="gcm" and channel_id="APA91bFcqfMaHtEJj_s9GZRg8leLcWjAOoq_JY67kkZ_Dqg1f20Y_qOoIkwmReTXGOa8J0_NGjiQRrMlBuAoQVuF9qajZGRG0RBGJBZnDHqxCFdQHeh2CSM" and app_id="com.tumblr" and target_type="topic"
20170210 11:12:42.569 [D][RTSubImpl] : [thread:8021]try sending http request 1 time(s)
20170210 11:12:42.971 [D][SSLHttpClient] : [thread:8021]execute(HttpUriRequest) : enter, url=https://onepush.query.yahoo.com/v1/public/yql?env=prod&format=json
20170210 11:12:43.493 [D][SSLHttpClient] :
