An action is any change submitted to the voting system, such as
The author of this action is: Christoph_Bergmann, 1BvayiASVCmGmg4WUJmyRHoNevWWo5snqC
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 17fedb2146b90528805cd8f43b585bfbc3db5e1343eb665d35e9976118a970ce cast-proposal-ballot vote 446c2f6e544a27fc64907265aded7e7ee10ca7f435a7da1eb7569b5840485177 by Christoph_Bergmann answer (reject) # proposal: BUIP087
Signature:
IHTyMarCgRWH4is6Q1twVsCnvB5KtGqE+hxHMu9bN9VvPfvSeVh3nwSX46Q1Y57itTmnl/7sFNNNF8pQWH0evHw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.