{
  "data": [
    {
      "tt_key": 1,
      "tt_parent": 0,
      "name": "CEO",
      "salary": 1000000
    },
    {
      "tt_key": 2,
      "tt_parent": 1,
      "name": "CTO",
      "salary": 110000
    },
    {
      "tt_key": 3,
      "tt_parent": 2,
      "name": "Front-end developer",
      "salary": 60000
    },
    {
      "tt_key": 4,
      "tt_parent": 2,
      "name": "Back-end developer",
      "salary": 65000
    },
    {
      "tt_key": 5,
      "tt_parent": 1,
      "name": "CFO",
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    }
  ]
}