An action is any change submitted to the voting system, such as
The author of this action is: dgenr8, 1BaKh3EaAjGoaP8BH9AZ4jG7VD3HaC3xoG
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 cast-proposal-ballot vote 074e744e177ddd5d5ea9a1e89e65d9e478950ab9ac72f32ae4e9e1a0334adbc6 by dgenr8 answer (accept) # proposal: BUIP092
This action is part of a multi-action and only the multi-action is signed.