Private content tag not workig with subscription?

-- HikaShop version -- : 6.1.0
-- HikaSerial version -- : 6.0.0
-- Joomla version -- : 5.3.3
-- PHP version -- : 8.3.25
-- Browser(s) name and version -- : Google chrome

Hi,
When I use the Private Content button in the editor and select a subscription plan to restrict the content, and to make it visible only for that subscription, the content does not display for users who actually purchased the product and have an active subscription. The order is confirmed and the subscription is active, but the restricted content is still not visible.
You can see the attached gif.

This option "Private content", it only works with serials?

Thank you!