{ "integer" : 2010,
  "float"   : 17.4,
  "x": {
    "y": "kevin",
    "z": "paul"
  },
  "z": [
    {"orange" : "yellow" , "pink": "red"},
    {"pink" : "purple" }
  ],
  "l": [4,2],
  "rl": [ [2,1], [4,6] ],
  "date" : {
    "$date" : "2019-09-30T20:47:43.123Z"
  }
}
{ "integer" : -2002,
  "float"   : -1.2
}
{ "integer" : 2001,
  "float"   : 1.2,
  "x": {
    "y": "bill",
    "z": "peter"
  },
  "z": [
    {"pink" : "lilac" }
  ],
  "l": [4,2],
  "rl": [ [2,1], [4,6] ],
  "date" : {
    "$date" : "2019-09-30T20:47:43.10+05"
  }
}
{ "integer" : 6005,
  "float"   : 1.2,
  "x": {
    "y": "mike",
    "z": "mary"
  },
  "z": [
    {"orange" : "stucco" }
  ],
  "l": [4,2],
  "rl": [ [2,1], [4,6] ],
  "date" : {
    "$date" : "2019-09-30T20:47:43.1+05:30"
  }
}