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: be3c66388058cc34d9e899e516e8ed808b294bb3d567008f12727ed5d8b5e3c0 cast-proposal-ballot vote 493383b1b582a31388c01eafb38f5a20b8f769813edef427d946b9373082cdbe by theZerg answer (reject) # proposal: BUIP103
This action is part of a multi-action and only the multi-action is signed.