I changed the public key with my application public key but not getting any information about license URL. For testing purposes ,We have added our license test account on Play Console and set the license test response and also signed into Play Store App with same test account on device but not getting detail page URL of the app against "LU" key.
As far as I can tell, the response code you're seeing (on the screenshot) is LICENSED, and then LU being empty is fine…
I found the list of possible response codes here:
I changed the public key with my application public key but not getting any information about license URL. For testing purposes ,We have added our license test account on Play Console and set the license test response and also signed into Play Store App with same test account on device but not getting detail page URL of the app against "LU" key.