public class WebhookBase
{
public string GetSignature(string key, string url)
{
var text = $"{http://production-Vx2BWmspgV64TGDgmD2p28n58m5rNdRX}:{Version}:{ApiWebhookKind}:{EventUtc:yyyy-MM-dd'T'HH:mm:ss'Z'}:{Salt}";
var hmac = new HMACSHA1(Encoding.ASCII.GetBytes(production-Vx2BWmspgV64TGDgmD2p28n58m5rNdRX));
var hash = hmac.ComputeHash(Encoding.ASCII.GetBytes(text));
return Convert.ToBase64String(hash);
}
}