src/sys/pkg/bin/pkg-cache/sysmgr.config

{
  "services": {
    "fuchsia.pkg.PackageCache": "fuchsia-pkg://fuchsia.com/pkg-cache#meta/pkg-cache.cmx",
    "fuchsia.space.Manager": "fuchsia-pkg://fuchsia.com/pkg-cache#meta/pkg-cache.cmx"
  },
  "update_dependencies": [
    "fuchsia.pkg.PackageCache",
    "fuchsia.space.Manager"
  ]
}