Get the List of Allowed "from" Addresses

Copied{
    "from_addresses": [
        {
            "user_name": "Patricia Boyle",
            "type": "primary",
            "email": "pat.boyle@abc.com",
            "id": null
        },
        {
            "user_name": "user2",
            "type": "imap",
            "email": "email2@gmail.com"
        },
        {
            "user_name": "user3",
            "type": "imap",
            "email": "email3@gmail.com"
        },
        {
            "user_name": "J Smith",
            "id": "3652397000002381001",
            "type": "org_email",
            "email": "j.smith@abc.com"
        }
    ]
}