chromium/chrome/test/data/extensions/api_test/debugger_attach_to_blob_urls/manifest.json

{
  "name": "Debugger BLOB Access Test",
  "manifest_version": 3,
  "version": "0.1",
  "permissions": ["debugger", "tabs", "scripting"],
  "host_permissions": ["*://a.com/*"],
  "background": {
    "service_worker": "background.js",
    "type": "module"
  }
}