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 proposal-upload file 3858cda19083f11be1bdd78fe4af62e5deb9f67f7c4e46ace005b391116925d9 by solex
Signature:
Hz1F/8QCF9V8JauQWCr30AAGXgojzgLNnjdYS22BistqNZZ48P8ShDmAWJ7m5WIvaEukEJxrOBvH1popqeMjILA=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.