{
  "ca-list":
  [
    {
        "ca-prefix": "/ndn",
        "issuing-freshness": "720",
        "validity-period": "360",
        "ca-info": "ndn testbed ca",

        "probe": "input email address",

        "targeted-list": "Use your email address (edu preferred) as input",
        "related-ca-list":
        [
          { "ca-prefix": "/ndn/edu/arizona" },
          { "ca-prefix": "/ndn/edu/memphis" }
        ],

        "supported-challenges":
        [
            { "type": "PIN" }
        ]
    },
    {
        "ca-prefix": "/ndn/edu/ucla/cs/zhiyi",
        "issuing-freshness": "720",
        "validity-period": "360",
        "supported-challenges":
        [
            { "type": "PIN" }
        ]
    },
    {
        "ca-prefix": "/ndn/site1",
        "probe": "input email address",
        "issuing-freshness": "720",
        "validity-period": "360",
        "supported-challenges":
        [
            { "type": "PIN" }
        ]
    }
  ]
}