<xmlRoot>
   <uuid>16338dc1-db3e-a88d-f7d4-9191c686e511</uuid>
   <delegate>tc:minecartFreightTrailer</delegate>
   <pos_x>-4361.5</pos_x>
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   <pos_z>4254.375669976045</pos_z>
    <inventory>
        <ItemStack>
            <ID>5</ID>
            <delegate>minecraft:planks</delegate>
            <meta>0</meta>
            <StackSize>1</StackSize>
        </ItemStack>
   </inventory>
</xmlRoot>