<xmlRoot>
   <uuid>e90a0c1d-cd9d-b19f-459a-7ee1af721b8f</uuid>
   <delegate>tc:minecartFreight100TonHopper</delegate>
   <pos_x>NaN</pos_x>
   <pos_y>66.08897156016502</pos_y>
   <pos_z>NaN</pos_z>
    <inventory>
        <ItemStack>
            <ID>13</ID>
            <delegate>minecraft:gravel</delegate>
            <meta>0</meta>
            <StackSize>64</StackSize>
        </ItemStack>
   </inventory>
</xmlRoot>