JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = '{"data":{"time":"2016-08-08T15:13:19.605234Z","x":20,"y":30}}{"data":{"time":"2016-08-08T15:13:19.609522Z","x":30,"y":40}}';

           var sanitized = '[' + data.replace(/}{/g, '},{') + ']';
           var rows = JSON.parse(sanitized);
console.log(rows);

for(var row in rows){
  console.log(JSON.stringify(row.data));
  console.log(JSON.stringify(row.data));
}