-- input --
{"name":"café","emoji":"🎉","nested":{"deep":{"deeper":[1,2,[3,4,{"x":null}]]}}}
-- expected --
{
  "name": "café",
  "emoji": "🎉",
  "nested": { "deep": { "deeper": [1, 2, [3, 4, { "x": null }]] } }
}
