my %dienste=(
    "x" => {
        "fields" => {
            "a" => {
                "order" => "03",
                "content" => "n"
            },
            "b" => {
                "order" => "02",
                "content" => "u"
            },
            "c" => {
                "order" => "01",
                "content" => "h"
            },
            "d" => {
                "order" => "04",
                "content" => "d"
            }
        }    
    }
);