I want to extract array from json file

i have json file with this data
[
{
“rolename”: “Number one”,
“roledescription”: “Number one”,
“rolepermission”: [“manage_users”,“view_user_logs”],
“roletype”: “client”

}

]

i want to extract data from “rolepermission” and put it in body request
this api accept data like this
{

"role": {

    "name": "Test",

    "description": "Test",

    "permissions": [

        "manage_users",

        "manage_role",

        "managing_custom_page"

    ],

    "userType":"admin"

}

}
and i convert it to this to extract data from my json file
{

"role": {

    "name": "{{rolename}}",

    "description": "{{roledescription}}",

    "permissions": [

        "{{rolepermission}}"

    ],

    "userType": "{{roletype}}"

}

}

but he send request like this
Vali Migire
“permissions”: [
“manage_users,view_user_logs”
],

instead it should send it like this
“permissions”: [
“manage_users”,
“view_user_logs”
],

what should i do