An action is any change submitted to the voting system, such as
The author of this action is: Peter_R, 1BWZe6XkGLcf6DWC3TFXiEtZmcyAoNq5BW
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 5776292860f8c233038833f18c8d4eaaab686efc9dc721265df14d3fde9f2efb cast-proposal-ballot vote c5bd8c6f9addd562d36f2656ab447e654091817f921350833d6f5282df521906 by Peter_R answer (reject) # proposal: BUIP127
This action is part of a multi-action and only the multi-action is signed.