HUB dashboard with widgets containing issues from multiple YouTracks Follow

My company has a HUB+YouTrack (distinct services)

Many of my customers have their own HUB+YouTrack too.

I'm trying to create an aggregated view of all the issues from all my customers.

I would like to create a HUB dashboard that shows (into distinct widgets) the issues contained into the YouTrack of my customers.

Is it possible to create such dashboard ?

Generally speaking, is it possibile to show into a widget the issues of a YouTrack instance NOT connected to the HUB ?