# test 1
$test = @{
    something = @(
        @{
            Name = "Lukasz"
        }
    )
}

$test | ConvertTo-Json

# test 2
function Get {
    $r = @(
        @{
            Name = "Lukasz"
    })

    $r
}

$test2 = @{
    something = Get
}

$test2 | ConvertTo-Json