Entity NBT Problem?

I have here my entity, but the problem is, the server has teh falue of fallTile, but the client not, what should I add, that it will work?

package de.intektor.moreminecraft.entity;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityFallingBlock;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.BlockPos;
import net.minecraft.util.ResourceLocation;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class EntityNotFallingBlock extends Entity{

public IBlockState fallTile;
public NBTTagCompound tileEntityData;

public EntityNotFallingBlock(World worldIn) {
	super(worldIn);
}

public EntityNotFallingBlock(World world, double posX, double posY, double posZ, IBlockState fallingBlockState) {
	super(world);
	this.posX = posX;
	this.posY = posY;
	this.posZ = posZ;
	this.fallTile = fallingBlockState;
	this.setSize(0.98f, 0.98f);


}

@Override
protected void entityInit() {
}

@Override
public void onUpdate() {		
	super.onUpdate();
}

public void writeEntityToNBT(NBTTagCompound tagCompound)
    {
        Block block = this.fallTile != null ? this.fallTile.getBlock() : Blocks.air;
        ResourceLocation resourcelocation = (ResourceLocation)Block.blockRegistry.getNameForObject(block);
        tagCompound.setString("Block", resourcelocation == null ? "" : resourcelocation.toString());
        tagCompound.setByte("Data", (byte)block.getMetaFromState(this.fallTile));

        if (this.tileEntityData != null)
        {
            tagCompound.setTag("TileEntityData", this.tileEntityData);
        }
        super.writeToNBT(tagCompound);
    }

    public void readEntityFromNBT(NBTTagCompound tagCompund)
    {
        int i = tagCompund.getByte("Data") & 255;

        if (tagCompund.hasKey("Block", )
        {
            this.fallTile = Block.getBlockFromName(tagCompund.getString("Block")).getStateFromMeta(i);
        }
        else if (tagCompund.hasKey("TileID", 99))
        {
            this.fallTile = Block.getBlockById(tagCompund.getInteger("TileID")).getStateFromMeta(i);
        }
        else
        {
            this.fallTile = Block.getBlockById(tagCompund.getByte("Tile") & 255).getStateFromMeta(i);
        }

        Block block = this.fallTile.getBlock();

        if (tagCompund.hasKey("TileEntityData", 10))
        {
            this.tileEntityData = tagCompund.getCompoundTag("TileEntityData");
        }

        if (block == null || block.getMaterial() == Material.air)
        {
            this.fallTile = Blocks.sand.getDefaultState();
        }
    }

public IBlockState getBlock()
{
	return this.fallTile;
}

@SideOnly(Side.CLIENT)
public World getWorldObj()
{
	return this.worldObj;
}
}