JSFiddle - React, Tailwind, and code Playground

JavaScript

var data =[{"page":1,"pages":1,"per_page":"600","total":264},
  [
    {
      "indicator":
     {"id":"NY.GDP.MKTP.CD","value":"GDP (current US$)"},
      "country":{"id":"1A","value":"ArabWorld"},
      "value":"2565871160292.11","decimal":"0","date":"2015"
    },
    {
      "indicator":
      {"id":"NY.GDP.MKTP.CD","value":"GDP (current US$)"},
      "country":{"id":"S3","value":"Caribbean small states"},
      "value":"66935278418.3676","decimal":"0","date":"2015"
    },
    {
      "indicator":
      {"id":"NY.GDP.MKTP.CD","value":"GDP (current US$)"},
      "country":{"id":"B8","value":"Central Europe and the Baltics"},
      "value":"1281495024762.4","decimal":"0","date":"2015"
    }
  ]
]
alert(JSON.stringify(data[1][0].date))