Examine source code of OKK

{
  "manifest_version": 2,
  "name": "Application",
  "description": "",
  "version": "1.21.6",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e05544b6-8f3f-48b3-b966-b96dee87c8bc}",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icon-128.jpg",
    "default_title": "Application"
  },
  "icons": {
    "128": "icon-128.jpg"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}