70 represents 70 nations, the Mixed Multitude.
Shin – Press, (Completeness – not complete without being pressed)
Beyt – Family, House, (Congregation will be a mixed multitude)
Ayin – Watch, Know, (The multitude will be watching and all will know Him)
Yud – Worship, (The multitude will Worship)
Mem – Blood, (The blood paid for the multitude)