An action is any change submitted to the voting system, such as
The author of this action is: jtoomim, 1FL9Ln6DTcp9HgTUkc6rFaePqGLn5G4d4M
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 cast-proposal-ballot vote 14aacb15b2484e66a586c49e2079a04090b14414686cbd4e484686ac7268dbd6 by jtoomim answer (accept) # proposal: BUIP110
Signature:
IAHh9H2HbL8HleD6s3cSlsdjrlJpu2WJlhk9CfdlbCfGQGuoJp45A/wEM1kWD6bgf+QfOWLYTNrqWBAHQJWppeE=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.