JSFiddle - React, Tailwind, and code Playground

JavaScript

var objeto = {
"pair": "BTCBRL",
"last": 2280.0,
"high": 2306.0,
"low": 2205.0,
"vol": 113.17267938,
"vol_brl": 255658.20705113,
"buy": 2263.0,
"sell": 2279.77
 }
alert(objeto.buy);