how can i delete an attribute from a json object using a put call

I have few json object with the structure

    {
"id": "2",
"data": {
"name": "Preeti Priya",
"age": "23",
"yoe": "7"
}
},

i wanna make it like :

    {
"id": "6",
"name": "sam",
"age": "22",
"yoe": "33"
}

through a put call,
but when i did it, it became something like,

    {
"id": "1",
"data": {
"name": "Preeti Priya",
"age": "23",
"yoe": "7"
},
"name": "p",
"age": "2",
"yoe": "2"
},