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: 4e6471c8af35dbd4866895c2d40fd22738ccfcebe5feca6dd96d0e9896851ec7 open-proposal-vote meta 1ecdcf30a1bb1dfc8272edcf7cc75ffc25b7588a2fc4e7ef6e833aa5730133c4 by solex method (buip-acc-rej-abs)
Signature:
IAbELcgnG2dV9454tXyUfCAHFEsI+GJ3Qr2/ScfN4F6MXabB3cSdLmifVXO6BOFhjifNKaIu4Rt/YdUyOCqlsLA=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.