musing has an official discord server which includes an #abuse channel for the abuse reports.
Invite link to the discord server:
https://discord.gg/GP72wuJ
The template to create an abuse report (You can find this in the channel.)
1. @User
2.Offense Type
3. Age of offense
4.Link to offense
5.Source of original content
The best way to report abuse right now is to join the Musing discord server (https://discord.gg/UD3vGq6), and go to the #abuse channel. Check the pinned message in that channel to see the proper format for reporting abuse.