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 Otaci address 1HTrN2uSNyPnQM7jwMAaqjNHAs2SpVf3jZ by Ken_Shishido answer accept
Signature:
H90Rk5BVVezg07WyaPdAQ1pJYxvtfiRkiv5/tOEjgx7JAGeysQyjwxc+yTRTJHatxmDyQQU/yOF9b1RW9J7tWKY=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.