Add it to your server
In your server's .ini file (servertest.ini by default), add these to the existing WorkshopItems= and Mods= lines, separated by a semicolon (;).
WorkshopItems=3821791945
Mods=NMOuterWildOST
| Workshop item | Subscribers | Declared in |
|---|---|---|
| New Music - Outer Wild OST3821791945 | 12 | description footer |