Sample

{
  "data": [
    {
      "x": 0.0,
      "y": 0.0
    },
    {
      "x": 0.5,
      "y": 0.25
    },
    {
      "x": 1.0,
      "y": 1.0
    },
    {
      "x": 1.5,
      "y": 2.25
    }
  ],
  "new": [
    {
      "x": 0.25
    },
    {
      "x": 0.75
    },
    {
      "x": 1.25
    }
  ]
}