Examine source code of MagicalGO Notification

{
  "name": "MagicalGO Notification",
  "version": "1.3.3resigned1",
  "manifest_version": 2,
  "description": "MagicalGO",
  "browser_action": {
    "default_title": "MagicalGO Notification",
    "default_icon": "img/icon48.png"
  },
  "background": {
    "page": "background.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "icons": {
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "web_accessible_resources": [
    "img/icon48.png"
  ],
  "permissions": [
    "notifications",
    "webRequest",
    "cookies",
    "*://*.magicalgo.com/*",
    "*://*.magicalgo-cdn.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{db5db410-7c83-46d9-860a-87d7066a5224}"
    }
  }
}