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: 5776292860f8c233038833f18c8d4eaaab686efc9dc721265df14d3fde9f2efb open-proposal-vote meta 32c9de1ab33442751fe643cf6334aabe5b49c94f6084be73e77277c9e7c0d0f9 by solex method (buip-acc-rej-abs)
Signature:
H+s8tKhF4g/A54PZoGiA+IwrdbzlY3+ZEZs/RHX24zx/ODDtNRBVFuoVB83p+CVxPQCbr//sBtIw1Bm/Yr3Xssk=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.