Get the List of Accounts Under the Client

{
    "errno": 0,
    "errmsg": "success",
    "data": {
        "client_id": "146",
        "client_name": "测试客户",
        "accounts": [
            {
                "account_id": "12345",
                "account_name": "测试账户1"
            },
            {
                "account_id": "12346",
                "account_name": "测试账户2"
            }
        ]
    }
}