a.json

{
  "foo": 42,
  "bar": 100,
  "boz": [
    1.2345,
    2.3456789,
    3,
    4.56789123456,
    5,
    6
  ],
  "fubar": {
    "kaboom": {
      "note": "We're running dangerously low on metasyntatic variables here",
      "afoo": {
        "abar": "raba",
        "aboz": "zoba",
        "afubar": "rabufa"
      },
      "akaboom": 200
    }
  }
}