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 da0db068582569f05d502560bb62cb4e8350f42fa5723c6a3496c79dd803b0da by solex
Signature:
HzZA0A+SAsZ3AbReuRnNAryVF6u9U5K2TNZJHDADpa/vFi6Vmhf+afrv02FoH9n3K53g4PBLkSlJlcdd1wDfpB4=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.