Take it into your own hands. It's your time. Bring stuff to it. You won't always have an amazing manager, but you can get a lot out of it if you are proactive IMO.
Also, I think all managers should be asking what cadence and length of time their directs want for 1:1.
The least would be 30 minutes bi-weekly IMO.
The most would be 1 hour weekly.
Depends on the person, the projects, where they are in their career, etc.