A multi-action is a set of changes submitted to the voting system all at once.
The author of this multi-action is: norway, 13eS5t4WGGPSwFKRQYzCKcfWF6sfjN1Ka2
The multi action string, containing the encoded individual actions:
bitcoin-unlimited-voting: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 cast-member-ballot name imaginary_username address 1KNvUAmquf9v2BgyrTsLjE8GdKwu1PaJed by norway answer reject
Signature:
H+Pem12RdazFxG3ojENSse9aFnE5Zy9eIqo9p72Rzqf8JaqOF/2Sdsll4sQfBbjTN+Lr1zBOtZq9csc7iNaqBxA=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.