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 db1b79b08049d8b24b74b7a77092a657fefb98e174d6ecc19eec1e244cf90cee by solex
Signature:
H9hPvFGZrMoLlbspLuBb0K4sA8X12YBmiaN/sfAHSdkqOUAgvQCdstwEFomFgZjLVCkg4muZiGlGS6Ie+1Prwa8=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.