You have succesfully paid and subscribed for the unlimited plan.
Please take a moment to read the following below:
To gain unlimited access – Please sign in with the previously used email during checkout inside the chrome browser by copy and paste the following into your chrome browser: chrome://settings/account (into the address bar)
NOTE: SYNC must be enabled on that settings page too.
Lastly do not forget to open up the extension first inside Google Maps, before performing a search in Google Maps.