Message Formats
In Band
message: "((GrdMe!"+base64(version)+base64(type)+base64(time_nonce)+base64(inner_key)+"))"
version: 5 bits
type: 5 bits
time_nonce: 256 bits
time: 11 bits
nonce: 245 bits
inner_key: 256 bits
key: "((GrdMe!"+base64(version)+base64(type)+base64(time_nonce)+base64(inner_key)+"))"
version: 5 bits
type: 5 bits
id: 256 bits
petname: 256 bits / 32 chars