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: 64df1fae399ccbb2db03a452926030749093f4f4df436c28a261a0ef479115b5 proposal-upload file 8f6f59a9ba1cb3f52155ff6caa241bbec2ae66242f6fc67d82a4683f4058fb10 by solex
Signature:
IFEkw+bJHiX0sh3vxK6TPHt16Ptca8pah7bLxVpelFF4VoHWPfzCdHlOd6osDCgsZ2bFJeNBx/qj0tUCNQ7+rVg=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.