Event handler to Observable gets converted incorrectly (Telegram.Bot 22.7)

I can’t figure out how to subscribe as described in “Getting started.”

This is what I get:

And I don’t understand how to ‘subscribe’ in this case. Any ideas?

Probably the same issue:

By the way, I found a way to do it via StartReceiving (polling).

but issue still here

You prolly not going to getaway without small c# wrapper, not sure if I remember correctly but events are not handled same way as actions