Creating Per-User Runtimes with LayerMap.runtime in Effect Typescript

I'm trying to create per-user runtimes using

⁠LayerMap.runtime

⁠LayerMap.runtime

but am struggling to construct them. My goal is to have layers that are bound to a single user. Does anyone have an example of how to do this?

Creating Per-User Runtimes with LayerMap.runtime in Effect Typescript - Effect Community