Store multiple values in single key in json

Question

I need to store many values in single key of json. e.g.

{
  \"number\" : \"1\",\"2\",\"3\",
  \"alphabet\" : \"a\", \"b\", \"c\"
}

Somethin

Answer 1

{
    "success": true,
    "data": {
        "BLR": {
            "origin": "JAI",
            "destination": "BLR",
            "price": 127,
            "transfers": 0,
            "airline": "LB",
            "flight_number": 655,
            "departure_at": "2017-06-03T18:20:00Z",
            "return_at": "2017-06-07T08:30:00Z",
            "expires_at": "2017-03-05T08:40:31Z"
        }
    }
};