JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="json-area" rows="30" cols="60">
    
    
</textarea>

JavaScript

var yourOblect = {"address":{"House_Number":505,
"Street_Direction":"",
"Street_Name":"Claremont",
"Street_Type":"Street",
"Apt":"15L",
"Burough":"Brooklyn",
"State":"NY",
"Zip":"10451",
"Phone":"718-777-7777"},
"casehead":0,
"adults":[{"Last_Name":"Foo",
"First_Name":"A",
"Sex":"M",
"Date_Of_Birth":"01011980"}],
"children":[]};

var textedJson = JSON.stringify(yourOblect,undefined, 2);
document.getElementById("json-area").value = textedJson;