Examine source code of Weibo Search

{
  "manifest_version": 2,
  "name": "Weibo Search",
  "description": "Add Weibo to your search engine.",
  "version": "1.0",
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Weibo",
      "search_url": "https://s.weibo.com/weibo/{searchTerms}",
      "keyword": "@weibo",
      "favicon_url": "https://s.weibo.com/favicon.ico",
      "is_default": false,
      "encoding": "UTF-8"
    }
  }
}