Добавьте файлы проекта.

Services/Tickets/Models/LotteryTicket.cs

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+namespace Services.Tickets.Models;
+public class LotteryTicket
+{
+    public long? Id { get; set; }
+    public byte[]? Numbers { get; set; }
+    public string? Owner { get; set; }
+    public string? PhoneNumber { get; set; }
+}