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: 5e9787f328d1f39d6dcd58bd70c28c9b36c7ac89f7a29d45950698b7e8ea49f3 cast-proposal-ballot vote 66bbd83107237ae64ca07a70927c541f2e30a808a3e469941ae111eda20c132a by theZerg answer (accept) # proposal: BUIP157
This action is part of a multi-action and only the multi-action is signed.