I don't know how to get every first name from json text below:
[
{
"Contact":{
"id":"4",
"first_name":"Richat",
"last_name":"Chhay",
"phone":"930345435",
}
},
{
"Contact":{
"id":"31",
"first_name":"Dara",
"last_name":"Hong",
"phone":"930345435",
}
}
]
what I want is how to get first_name?