{
  "_about": "Valid JSON (RFC 8259) that parsers disagree on. From 99helpers.com/file-types/json.",
  "bigInteger": 9007199254740993,
  "maxSafeInteger": 9007199254740991,
  "longDecimal": 0.1000000000000000055511151231257827,
  "money": 19.99,
  "tooBig": 1E400,
  "tooSmall": 1E-400,
  "negativeZero": -0,
  "exponentForms": [1e3, 1E+3, 1.0e3, 1000],
  "duplicateKey": "first value",
  "duplicateKey": "second value",
  "": "an empty string is a valid key",
  "nullCharacter": "a\u0000b",
  "controlEscapes": "tab\there, newline\nhere, slash \/ escaped",
  "loneSurrogate": "\ud800",
  "deep": [[[[[[[[[[["ten levels down"]]]]]]]]]]],
  "unicodeKey\u00e9": "the key is unicodeKeyé"
}