text: var unirest = require("unirest");
  
  var req = unirest("POST", "http://mockbin.com/har");
  
  req.headers({
    "content-type": "application/json"
  });
  
  req.type("json");
  req.send({
    "number": 1,
    "string": "f\"oo",
    "arr": [
      1,
      2,
      3
    ],
    "nested": {
      "a": "b"
    },
    "arr_mix": [
      1,
      "a",
      {
        "arr_mix_nested": { }
      }
    ],
    "boolean": false
  });
  
  req.end(function (res) {
    if (res.error) throw new Error(res.error);
  
    console.log(res.body);
  });
  