chromium/chrome/test/data/extensions/managed_extension/manifest.json

{
  "name": "Policy for extensions tests",
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDkprt3BRSqoikAhSygI6VUzDLt18cKODYmkaa/dwPp4dboyz93RSB+v76grbqsNWrJjkrEwRD3QFeBYBq7h27XAMV4X5XvWjmWQBkRTBQyQI8cZd7M9dgfKrI3EqX9OJvd/wTJkC0dgF47nwWRa/Tvwl7Y66GwEEUjpn2MTv4klwIDAQAB",
  "version": "1.0",
  "manifest_version": 3,
  "description": "Tests that the 'managed' namespace of the Storage API works.",
  "storage": {
    "managed_schema": "schema/managed_storage.json"
  },
  "background": {
    "service_worker": "background.js"
  }
}