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: 5e9787f328d1f39d6dcd58bd70c28c9b36c7ac89f7a29d45950698b7e8ea49f3 proposal-upload file e53551c7d9a2067487f3b0f884df3d3bf8ce978b513c6975394710d414916ca4 by solex
Signature:
INtFn1jaLj8kixxyWZw4Y1f1n0v/k0iDqSEfoxDf+4ObblcZc6/BpIV0/BpA0NC1wRfQ2Ou/AUO9Sl+YA3buxcc=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.