chromium/chrome/test/data/extensions/api_test/automation/tests/service_worker/manifest.json

{
  "name": "chrome.automation.service_worker",
  "version": "0.1",
  "manifest_version": 3,
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8xv6iO+j4kzj1HiBL93+XVJH/CRyAQMUHS/Z0l8nCAzaAFkW/JsNwxJqQhrZspnxLqbQxNncXs6g6bsXAwKHiEs+LSs+bIv0Gc/2ycZdhXJ8GhEsSMakog5dpQd1681c2gLK/8CrAoewE/0GIKhaFcp7a2iZlGh4Am6fgMKy0iQIDAQAB",
  "description": "Extension which simply calls chrome.automation.getDesktop() from a service worker.",
  "background": {
    "service_worker": "background.js"
  },
  "automation": {"desktop": true}
}