An action is any change submitted to the voting system, such as
The author of this action is: imaginary_username, 1KNvUAmquf9v2BgyrTsLjE8GdKwu1PaJed
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 64df1fae399ccbb2db03a452926030749093f4f4df436c28a261a0ef479115b5 cast-proposal-ballot vote c3c116481c0511b71bd052cd777645fc8aa430d570a41cd2ca17e231ad371dca by imaginary_username answer (accept) # proposal: BUIP142
Signature:
H7+D9Lgp59EmZTxPCUgoQOjtInqYuLeK0EO/SeilIBEsLs5gG/DG4UyBe01OprNxSzyTuO2sAoFvFcDGSwjmoXk=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.