Access my router remotely via static ip on my SSTP-client interface

Kindly assist. How do I access my mikrotik router remotely using the static IP I bought from a vpn provider? I just needed an interface with a public IP which I achieved using vpn (sstp-client) but I can’t ping the live ip from the internet and I also don’t want to route through the vpn or make it my default gateway.

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It’s probably the same thing as here.