{
  "version": 1,
  "rules": [
    {
      "domain_suffix": [
        "feng1.com",
        "rongechain.com",
        "sf-airlines.com",
        "sf-cityrush.com",
        "sf-express.com",
        "sf-financial.com",
        "sf-saas.com",
        "sfcar.hk",
        "sffix.cn",
        "sfgy.org",
        "sf-tech.com.cn"
      ]
    }
  ]
}