From 7903fab31c982faed2208db8ffd2280f0d141b58 Mon Sep 17 00:00:00 2001
From: skibitsky <gleb@skibitsky.com>
Date: Fri, 24 Nov 2023 11:59:54 +0900
Subject: [PATCH] fix: Engine uses OrderedKeys which can be empty

---
 WalletConnectSharp.Sign/Engine.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WalletConnectSharp.Sign/Engine.cs b/WalletConnectSharp.Sign/Engine.cs
index 8006a5d..411e6e6 100644
--- a/WalletConnectSharp.Sign/Engine.cs
+++ b/WalletConnectSharp.Sign/Engine.cs
@@ -683,7 +683,7 @@ public async Task<TR> Request<T, TR>(string topic, T data, string chainId = null
             if (string.IsNullOrWhiteSpace(chainId))
             {
                 var sessionData = Client.Session.Get(topic);
-                var firstRequiredNamespace = sessionData.RequiredNamespaces.OrderedKeys[0];
+                var firstRequiredNamespace = sessionData.RequiredNamespaces.Keys.First();
                 defaultChainId = sessionData.RequiredNamespaces[firstRequiredNamespace].Chains[0];
             }
             else