mock-redfish-server/mockup/redfish/v1/AccountService/Accounts/index.json

{
    "@odata.type": "#ManagerAccountCollection.ManagerAccountCollection",
    "Name": "Accounts Collection",
    "@odata.context": "/redfish/v1/$metadata#AccountService.AccountService",
    "Members": [
        {
            "@odata.id": "/redfish/v1/AccountService/Accounts/admin"
        }
    ],
    "@odata.id": "/redfish/v1/AccountService/Accounts",
    "Members@odata.count": 1
}