Как преобразовать JSON в направленый граф?

{
  "value": 10,
  "elements": [
    {
      "value": 2,
      "elements": [
        {
          "value": 3,
          "elements": [
            {
              "value": 90,
              "elements": []
            },
            {
              "value": 12,
              "elements": []
            }
          ]
        },
        {
          "value": 5,
          "elements": [
            {
              "value": 11,
              "elements": []
            }
          ]
        },
        {
          "value": 6,
          "elements": []
        }
      ]
    },
    {
      "value": 4,
      "elements": []
    },
    {
      "value": 5,
      "elements": [
        {
          "value": 32,
          "elements": []
        },
        {
          "value": 41,
          "elements": []
        }
      ]
    }
  ]
}