Netgear Nighthawk M1 Mobile Router - how do I set it up with an eSIM?

Hey! I have a Netgear Nighthawk mobile router which was under contract with O2 as the data provider. I have now cancelled the data contract and kept the router. I've removed the physical sim (the old O2 one). Now I want to set it up with a new data provider. I have an eSIM from Revolut as part of my banking. Does anyone have any clear instructions as to how I can do this? (set up my Nighthawk to use my eSIM provider for data).  Alternatively, I also have my data available via my phone data contract (still with O2) - could that also work?  

Thanks!