You appear to be misunderstanding the serial monitor message.
This…
tells you that the device is successfully connected to the Blynk server and that the ping time from the device to the Blynk server is 84ms.
Does the device show as Online in the web console?
You appear to be missing the Template ID and Template Name lines of code from your sketch.
You also have a logic issue with your log event code, as you will quickly exceed the 100 events per 24 hour period limit. You should read this for more info…
Pete.