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: 6bc2c8b25a62112738fb003b12767d1e828ed032549819ff8d7182384ac0e388 proposal-upload file d6931d140cac199fe7db059f58875304bc99fe240d498732c95dc2ff107f94a6 by solex
Signature:
Hx3S1r9iGEyklVG+N9LH0Vvl/+HEcqa1fObn5YAxS+N2GAeEm7GRtxD5v03I4BQZIrrNsnqgAkBzT5NxcLw/2+Q=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.