An action is any change submitted to the voting system, such as
The author of this action is: solex, 15TiujYmnHa33fjEnasBBm1eWcGx9YEXPL
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 242bbdbc67846623368b9d1fae050d6815f1942093617033be4db57ffe21c9e0 open-proposal-vote meta 9398de808ad8d03acebef74707071cee10fa208f63fae8118d35b98dad032228 by solex method (buip-acc-rej-abs)
Signature:
H+av1naLUVYK+SzvvDI+gUahe7tM2NP61GQcGh3B3q3gTo5KPJykla8GQMvl/sEbBkugnwerGlYX153mmETYxc8=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.