[{
    "user_id": "northdept1",
    "name": "北區1",
    "department_id": "xxx"
},
{
    "user_id": "northdept2",
    "name": "北區2",
    "department_id": "xxx"
},
{
    "user_id": "northdept3",
    "name": "北區3",
    "department_id": "xxx"
},
{
    "user_id": "northdept4",
    "name": "北區4",
    "department_id": "xxx"
},
{
    "user_id": "centerdept1",
    "name": "中區1",
    "department_id": "xxx"
},
{
    "user_id": "centerdept2",
    "name": "中區2",
    "department_id": "xxx"
},
{
    "user_id": "centerdept3",
    "name": "中區3",
    "department_id": "xxx"
},
{
    "user_id": "southdept1",
    "name": "南區1",
    "department_id": "xxx"
},
{
    "user_id": "southdept2",
    "name": "南區2",
    "department_id": "xxx"
},
{
    "user_id": "southdept3",
    "name": "南區3",
    "department_id": "xxx"
},
{
    "user_id": "host",
    "name": "主持人",
    "department_id": "xxx"
}
]