An action is any change submitted to the voting system, such as
The author of this action is: theZerg, 1zerg12nRXZ41Pw4tfCTqgtdiJx6D1We3
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 6bc2c8b25a62112738fb003b12767d1e828ed032549819ff8d7182384ac0e388 cast-proposal-ballot vote 4372b6b131af64f17bcb9a3bea33929cecb5656611946bf05b5fcc9cd0be0a45 by theZerg answer (accept) # proposal: BUIP170
This action is part of a multi-action and only the multi-action is signed.