{
  "name": "World",
  "children": [
    {
      "name": "Asia",
      "children": [
        {
          "name": "Japan",
          "children": [
            {
              "name": "Kansai",
              "children": [
                {
                  "name": "Osaka",
                  "value": 2750
                }
              ]
            },
            {
              "name": "Kanto",
              "children": [
                {
                  "name": "Tokyo",
                  "value": 14000
                }
              ]
            }
          ]
        },
        {
          "name": "South Korea",
          "children": [
            {
              "name": "Seoul",
              "children": [
                {
                  "name": "Seoul",
                  "value": 9500
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "name": "Europe",
      "children": [
        {
          "name": "France",
          "children": [
            {
              "name": "Auvergne-Rhône-Alpes",
              "children": [
                {
                  "name": "Lyon",
                  "value": 520
                }
              ]
            },
            {
              "name": "Île-de-France",
              "children": [
                {
                  "name": "Paris",
                  "value": 2100
                }
              ]
            }
          ]
        },
        {
          "name": "Germany",
          "children": [
            {
              "name": "Bavaria",
              "children": [
                {
                  "name": "Munich",
                  "value": 1500
                }
              ]
            },
            {
              "name": "Berlin",
              "children": [
                {
                  "name": "Berlin",
                  "value": 3700
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "name": "North America",
      "children": [
        {
          "name": "Canada",
          "children": [
            {
              "name": "British Columbia",
              "children": [
                {
                  "name": "Vancouver",
                  "value": 675
                }
              ]
            },
            {
              "name": "Ontario",
              "children": [
                {
                  "name": "Toronto",
                  "value": 2900
                }
              ]
            }
          ]
        },
        {
          "name": "USA",
          "children": [
            {
              "name": "California",
              "children": [
                {
                  "name": "Los Angeles",
                  "value": 3900
                },
                {
                  "name": "San Francisco",
                  "value": 870
                }
              ]
            },
            {
              "name": "New York",
              "children": [
                {
                  "name": "New York City",
                  "value": 8400
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}