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If you just want to get it off the ground then a bedside table is all you need.
If you want to get it to a proper height, then this will get the job done.
Offline, you can get both of these items for like 400 & 1000 respectively.
If you still wanna wall mount, which I wouldn't recommend cause of cable management, get gym equipment like this (overkill, I know, but it's for your peace of mind). Take it to a furniture shop, and ask them to cut pieces you don't need, and also to put up a wooden plank on it.