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: 64df1fae399ccbb2db03a452926030749093f4f4df436c28a261a0ef479115b5 cast-proposal-ballot vote 7275a85aba8aff8196bc6d6a0100244c67a1b364f4dd628fd814af6b42db93f6 by Peter_R answer (accept) # proposal: BUIP143
This action is part of a multi-action and only the multi-action is signed.