data.json

{
 "name": "cryptocurrency",
 "children": [
  {
   "name": "subcurrency",
   "children": 
     [
    {
     "name": "Bitcoin",
     "capitalisation": 146.22
    },
    {
     "name": "Ethereum",
     "capitalisation": 87.23
    },
    {
     "name": "Ripple",
     "capitalisation": 33.28
    },
    {
     "name": "Bitfinex",
     "capitalisation": 19.86
    },
    {
     "name": "Cardano",
     "capitalisation": 9.38
    },
    {
     "name": "NEO",
     "capitalisation": 6.85
    },
  {
     "name": "Stellar",
     "capitalisation": 6.7
    },
  {
     "name": "NEM",
     "capitalisation": 7.09
    },
  {
     "name": "Litecoin",
     "capitalisation": 6.96
    },
  {
     "name": "EOS",
     "capitalisation": 6.11
    }
    ]
   }
  ]
}