Using Node Graph in a Dashboard

Hey folks,

I’ve got Tracing working via the Explore panel and it’s looking really cool:

Now I want to embed that in a dashboard, but the same query that I used to get the data in Explore mode won’t return any data in the Node Graph dashboard panel.

I’m sure this is something obvious that I’m missing, but I’m not sure what!

This is what I get when I create a new panel: