[
    {
        "id": 1,
        "username": "Barack Obama"
    },
    {
        "id": 2,
        "username": "George W. Bush"
    },
    {
        "id": 3,
        "username": "Bill Clinton"
    },
    {
        "id": 4,
        "username": "Donald Trump"
    },
    {
        "id": 5,
        "username": "George H. W. Bush"
    }
]