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 f687d2fa86c326118c984b6d0d657252ebe0107dab08e40353c73fa1ceeada43 by solex
Signature:
Hx8Snt1mII0As+qoE+QQ3OGCm+yvsXfzZ457P8Nl4UbEMjHUsoP2tq8dqVIPK8k2WSIKGmHwOF2v4Z3y+I4z3RQ=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.