How to do sparse file copy between two servers using ssh-agent

Working Command
============
1)
#ssh-agent $SHELL

2)
#ssh-add ~/.ssh/id_rsa

3)

#ssh -A root@192.168.1.24 "cd /var/cache/disks && ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no root@192.168.1.45 'cd /mnt/share && tar -czSf - myfile.txt' | tar -xzf -"

4)
Note : Location of Single and double quote are very important.

5)
http://docstore.mik.ua/orelly/networking_2ndEd/ssh/ch02_05.htm