Examine source code of heise Newsticker

{
  "browser_action": {
    "default_icon": "logo.png",
    "default_popup": "popup.html"
  },
  "description": "Der RSS-Feed des heise Newstickers.",
  "icons": {
    "128": "logo128.png"
  },
  "manifest_version": 2,
  "name": "heise Newsticker",
  "permissions": [
    "http://www.heise.de/newsticker*",
    "https://www.heise.de/newsticker*"
  ],
  "version": "1.3.5",
  "browser_specific_settings": {
    "gecko": {
      "id": "{86015a4a-8365-4fd9-9bb7-d36d8087a0c4}"
    }
  }
}