Array
(
    [0] => Array
        (
            [id] => 1
            [weight] => 30
            [unit] => kg
        )

    [1] => Array
        (
            [id] => 2
            [weight] => 50
            [unit] => kg
        )

    [2] => Array
        (
            [id] => 3
            [pieceCount] => 1
        )

)