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 34f7de4b0a6b954c560411424732f26e74c6232f3185bdbfff5ee3bc26a99cce by solex answer (accept)
Signature:
IEVb4svbeAyWGNzGFt92ttte/3G65KRf76FlCEMu+FloWkVDgAqDmE4SlPwCK1qKsTuWVQDI0oGJBcgmbld6XuA=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.