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: 242bbdbc67846623368b9d1fae050d6815f1942093617033be4db57ffe21c9e0 cast-proposal-ballot vote bc15e1ca19c90ee9ca60cc64a7acf405075fdea62595c5d450443b6a90846e25 by solex answer (accept)
Signature:
HxFy/j5yj16E8MMVVrXTufB0vrqAbQ9MdGvtv6hoZaugfWtuXag71uld/XNggOtrXna83vdSHJbcTT/+JVLwLfw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.