Adding bans trough Bans.json

How can i add bans trough that file? like i wanna ban somone for only 24 hours.
i cant because it looks coded to me

http://prntscr.com/mwezpp

"banTime": 1545915392, like that< doesnt say anything just random code
how in the world can we edit this?
i wanna add ban after they left.

@dutchxarms

Probably in milli or micro seconds.

That number in microseconds is 25 minutes approx.