An action is any change submitted to the voting system, such as
The author of this action is: Ken_Shishido, 1JBeRbTDpcjycJ7iSYs4RYFGJvbsqFfaHU
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: ba0411a9e0c7f210c553a4272e3d1fb78bad93c5a59d6f8ae566287f151921ad cast-member-ballot name Mike_Aetherial address 1CpPeNE5ngQH64LqoCmKxf3LWymatT1HB6 by Ken_Shishido answer abstain
Signature:
IM70rHeow3Zf0v+SOPB3MDzcH4l7zq7Emkz+bOzEx8buVfqawI8JX2cVLmsVFfqsR/d2jUif4J7UiFlHdcS79WI=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.