Examine source code of Rating for Tubi

{
  "name": "__MSG_extName__",
  "manifest_version": 3,
  "version": "1.1",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tubitv.com/*"
      ],
      "js": [
        "js/content.js"
      ],
      "css": [
        "css/content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_icon": {
      "16": "images/icon16x16_disabled.png",
      "32": "images/icon32x32_disabled.png",
      "48": "images/icon48x48_disabled.png",
      "128": "images/icon128x128_disabled.png"
    },
    "default_popup": "popup.html",
    "default_title": "__MSG_popup_title__"
  },
  "host_permissions": [
    "*://tubitv.com/"
  ],
  "icons": {
    "16": "images/icon16x16.png",
    "32": "images/icon32x32.png",
    "48": "images/icon48x48.png",
    "128": "images/icon128x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jesmorin@gmail.com",
      "strict_min_version": "128.0"
    }
  }
}