I'm new here too, but I'm pretty sure that's a yes. I think that's what the magazines m/ are, like here's an example; I can subscribe to it from my kbin account right here. I don't own a lemmy account.

It does give me a heads up that it may be incomplete tho:
"The magazine from the federated server may be incomplete. Browse more on the original instance," and the link to the lemmy "community" is there