"id": 0,
    "name": "Roberto",
    "nested1": {
      "bio": "utf16 surrogate (\ud834\udcb2)\n\u201cutf 8\u201d",
      "id": 1.5,
      "name": "Roberto*Maestro",
      "nested2": { "nested2arr": [0,1,2], "nested3": {
        "nested4": { "depth": "recursion" }}
			}
		}
  },
  "2": {
    "nullfield": null,
    "id": -2
  }
}`
	)

	decoder := NewDecoder(mkReader(body), 2)