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: 9a68078bbff9de910bb8c377e699832cc907f9ce048625b18b0fe7ea1da14689 proposal-upload file 0df2e992b43ecd6546b0aede8184c1d27c5e07dc6c1a0332a788eb704c725ad8 by solex
Signature:
H39CMZqaI8OXITgchoDhwLcSfr+/xWJsXHG94MwO9iY3dvgSTAJdRe3YmjXM7DRPVB5F9drwne/fSVmcJ6BcY+k=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.