An action is any change submitted to the voting system, such as
The author of this action is: Griffith, 1Pcpj8sR5adRNMi8rZ1Zi7rg6GPqcmFHAz
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 4e6471c8af35dbd4866895c2d40fd22738ccfcebe5feca6dd96d0e9896851ec7 cast-member-ballot name Jonathan_Silverblood address 1NWAbNx9sLceMRVR9E2SzMSVrjWajni21D by Griffith answer accept
Signature:
IOZaJ356cIkaWs/hmWPRixo8rkLSFxEx17nRmStb++OESv6e+MzkftqA4t7gkO6zDbFlji4M9+SRrGHicBhLoqA=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.