Minecart with Hopper/ED


 * Entity data
 * : List of items.
 * An item, including the Slot tag. Slots are numbered 0 to 4.
 * See Item format
 * : Time until the next transfer in game ticks, between 1 and 8, or 0 if there is no transfer.
 * : Determines whether or not the minecart hopper will pick up items into its inventory.
 * : Time until the next transfer in game ticks, between 1 and 8, or 0 if there is no transfer.
 * : Determines whether or not the minecart hopper will pick up items into its inventory.