{
  "rougail": {
    "leader": [
      {
        "leader": "value1",
        "follower1": "val11",
        "follower2": "val21"
      },
      {
        "leader": "value2",
        "follower1": "val11",
        "follower2": "val21"
      }
    ],
    "calculate": "value1"
  }
}