An action is any change submitted to the voting system, such as
The author of this action is: Emil_Oldenburg, 1KvZmH4iJbenBpJRMUrsykWfCjDBNAdJuZ
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 5776292860f8c233038833f18c8d4eaaab686efc9dc721265df14d3fde9f2efb cast-proposal-ballot vote b2fcb37d22645979fec417cc00470b8f791dae67d5acc32d9d929b604c05e645 by Emil_Oldenburg answer (accept) # proposal: BUIP132
Signature:
IPh/KalmSWTAEJsOiPs3TOItG0+gUqcFC8zBWklhoIi3Z+wT94wmQztDLV9uojEYnGT97/fnpJ332yHpuFc1kPo=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.