Making sure you have plenty of GI bounces will be important - the default is 3 I think whereas I’ve (in my VFX past) needed 30 to extinguish enough of the energy into the room. This ‘lowers the contrast’ by having that light evenly diffused around and not clamped off from the bounce limit.
Playing with the Tonemapper from then - things like Gamma etc will bring the mids up and flatten it out. I’m still yet to get under the hood of the 4.15 tonemapper but it should be capable of mapping that tonal range into your display (like the video shows)
Matt Hermans