How to implement in Pangolin module?

How do I implement Scalpel for Pangolin?

I [tried](https://github.com/MRDGH2821/nix-config/blob/main/nix/modules/scalpel/pangolin-scalpel.nix) but didn't have any success.
The strange thing is that secret is getting placed in correct place (I manually inspected the final file), but the service is not picking up on updated values.