chromium/chromeos/components/test/data/onc/managed_toplevel_with_server_and_ca_cert.onc

{
      "Type": "UnencryptedConfiguration",
      "Certificates":
      [ { "TrustBits": ["Web"],
          "GUID": "1",
          "Type": "Authority",
          "X509": "abc" },
        { "GUID": "2",
          "Type": "Server",
          "X509": "abc" },
        { "GUID": "3",
          "PKCS12": "abc" ,
          "Type": "Client" }
      ]
}