ACMP vs OSC string formatting UTF-8?

Hi,

I have an issue in the CasparCG-State-Scanner.
When a filename has æøåÆØÅ in it, I receive 2 different string formats.
The AMCP is normal, and the OSC string looks like it´s formatted in UTF-8 or something.
But if I try to decode the string with toString(‘utf8’) in javascript it doesn’t convert it.

Has anyone a tip?