Examine source code of Play Online Game

{
  "manifest_version": 3,
  "name": "Play Online Game",
  "description": "Open an online block-style game page with one click. No tracking, no data collection.",
  "version": "1.0.1",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_title": "Play Online Game",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "play-online-game@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}