An action is any change submitted to the voting system, such as
The author of this action is: Peter_R, 1BWZe6XkGLcf6DWC3TFXiEtZmcyAoNq5BW
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 cast-proposal-ballot vote 643febd6cafa7d2f515dc446e2a1ff3bc5c52460809a2630ea766a2a6d0092fc by Peter_R answer (reject) # proposal: BUIP096
Signature:
ICOwpQ7bjqKMG+PbdNVyHHXBSj88GytT4y2/F2m/e3ZRS2wKmbxPkQvZipC3UFMWqdhLLKZUN5RwghBmE+kFpmY=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.