public void Vote()
{
var vote1 = new Vote
{
QuestionId = new Guid("bd746b3b276e454a8B1e041cf53a8747"),
ChoiceId = Guid.NewGuid(),
Time = DateTimeOffset.Now.ToUnixTimeMilliseconds()
};
var keys = service.GeneratePair();
var signer = new Signer(service);
vote1.Signature = signer.Sign(vote1.GetData(), keys);
var signatureBase58 = Base58.Encode(vote1.Signature);
vote1.PublicKey = new byte[keys.PublicKey.Length];
Buffer.BlockCopy(keys.PublicKey, 0, vote1.PublicKey, 0, keys.PublicKey.Length);
var json = JsonSerializer.Serialize(vote1, JsonDefaultSettings.Options);
Console.WriteLine(json);
var vote = JsonSerializer.Deserialize <Vote>(json, JsonDefaultSettings.Options);
var publicKeyBase58 = Base58.Encode(vote.PublicKey);
var verifier = new SignatureVerify(service);
}