Initial commit.

Shared/Models/ClientDataModel.cs

@@ -0,0 +1,9 @@
+namespace ClientApiPoC.Shared.Models {
+    public class ClientDataModel {
+        public string? Data { get; set; } = null;
+
+        public DateTime TimestampClientUtc { get; set; } = DateTime.UtcNow;
+
+        public DateTime TimestampServerUtc { get; set; } = DateTime.MinValue;
+    }
+}