{
    "\u0000":               {"type": "string", "value": "null"},
    "\b \f A  € ÿ ퟿  ￿ 𐀀 􏿿": {"type": "string", "value": "escaped key"},
    "\\u0000":              {"type": "string", "value": "different key"},
    "l ~ € ÿ ퟿  ￿ 𐀀 􏿿":      {"type": "string", "value": "literal key"},
    "~ € ÿ ퟿  ￿ 𐀀 􏿿":        {"type": "string", "value": "basic key"}
}