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: a3c1540d583e92de87bde1376e284e86fe7eded76f846c67d01460bcb7b42f96 open-proposal-vote meta 4e9f01fda5da0e9c39e4e8a7f42eb1a42773564431fd974f36d0f0a0abe594b3 by solex method (buip-acc-rej-abs)
Signature:
HyB/7gNzaDR9r/+VRdGHjblEnZdmQdIjdMp8y/6VmaDWM6OutzrmSZgtJnKxP0Fp5oFHnrlpjdXA3/kQkEg93SY=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.