diff --git a/Assets/SequenceSDK/Ethereum/Tests/ABIRegexTests.cs b/Assets/SequenceSDK/Ethereum/Tests/ABIRegexTests.cs
index a461b4d3d..4359e0be7 100644
--- a/Assets/SequenceSDK/Ethereum/Tests/ABIRegexTests.cs
+++ b/Assets/SequenceSDK/Ethereum/Tests/ABIRegexTests.cs
@@ -36,6 +36,15 @@ public void TestMatchesFunctionName(string input, bool expected)
         [TestCase("functionName(a[],a)", true)]
         [TestCase("functionName(a[5],a)", true)]
         [TestCase("functionName(a[][],a)", true)]
+        [TestCase("functionName((a[5],a))", true)]
+        [TestCase("functionName((a[][],a),int)", true)]
+        [TestCase("functionName((a[][],a),int)", true)]
+        [TestCase("functionName((a[][],a,int)", false)]
+        [TestCase("functionName((a[][),a,int)", false)]
+        [TestCase("functionName((a[][]),a,int)", true)]
+        [TestCase("functionName(a[][],(a,int))", true)]
+        [TestCase("functionName(a[][],a,int))", false)]
+        [TestCase("functionName(a[][],(a,int),string,(uint,int,a,bytes[5][]))", true)]
         public void TestMatchesFunctionABI(string input, bool expected)
         {
             bool result = ABIRegex.MatchesFunctionABI(input);
diff --git a/Assets/SequenceSDK/WaaS/Tests/WalletInteractionsTests.cs b/Assets/SequenceSDK/WaaS/Tests/WalletInteractionsTests.cs
index aed8db23d..6a2fddbd6 100644
--- a/Assets/SequenceSDK/WaaS/Tests/WalletInteractionsTests.cs
+++ b/Assets/SequenceSDK/WaaS/Tests/WalletInteractionsTests.cs
@@ -9,6 +9,7 @@
 using Sequence.Authentication;
 using Sequence.Contracts;
 using Sequence.Ethereum.Tests;
+using Sequence.Provider;
 using Sequence.Utils;
 using Sequence.Wallet;
 
@@ -553,5 +554,68 @@ public async Task TestInteractingWithContractFunctionsInSnakeCase_DelayedServerS
 
             await tcs.Task;
         }
+
+        [Test]
+        public async Task TestInteractWithTupleContract()
+        {
+            var tcs = new TaskCompletionSource<bool>();
+            EndToEndTestHarness testHarness = new EndToEndTestHarness();
+            Contract contract = new Contract("0x88e57238a23e2619fd42f479d546560b44c698fe");
+            IEthClient client = new SequenceEthClient(Chain.ArbitrumNova);
+            
+            Address someAddress = new Address("0x8f408550720b268b0ea0969c527ac997d969a638");
+            Address anotherAddress = new Address("0x38104f7bb130756dcdd24d804e3e2d2e9df25d7d");
+            byte[] data = "Something".ToByteArray();
+            int integer = 3;
+            string first = "firstWord";
+            string second = "secondWord";
+            int number = 7;
+            
+            testHarness.Login(async wallet =>
+            {
+                try
+                {
+                    TransactionReturn transactionReturn = await wallet.SendTransaction(_chain,
+                        new Transaction[]
+                        {
+                            new SequenceContractCall(contract.GetAddress(), 
+                                new AbiData("testTuple((address,string),(string,address,bytes,uint),int)", new object[]
+                                {
+                                    (someAddress, first),
+                                    (second, anotherAddress, data, integer.ToString()),
+                                    number.ToString()
+                                }))
+                        });
+                    Assert.IsNotNull(transactionReturn);
+                    Assert.IsTrue(transactionReturn is SuccessfulTransactionReturn);
+                    
+                    Address storedAddress = await contract.QueryContract<Address>("getStoredAddress").Invoke(client);
+                    Assert.AreEqual(someAddress, storedAddress);
+                    Address storedAddress2 = await contract.QueryContract<Address>("getStoredAddress2").Invoke(client);
+                    Assert.AreEqual(anotherAddress, storedAddress2);
+                    byte[] storedBytes = await contract.QueryContract<byte[]>("getStoredBytes").Invoke(client);
+                    Assert.AreEqual(data, storedBytes);
+                    int storedInt = await contract.QueryContract<int>("getStoredInt").Invoke(client);
+                    Assert.AreEqual(integer, storedInt);
+                    string storedString = await contract.QueryContract<string>("getStoredString").Invoke(client);
+                    Assert.AreEqual(first, storedString);
+                    string storedString2 = await contract.QueryContract<string>("getStoredString2").Invoke(client);
+                    Assert.AreEqual(second, storedString2);
+                    uint storedUint = await contract.QueryContract<uint>("getStoredUint").Invoke(client);
+                    Assert.AreEqual(number, storedUint);
+
+                    tcs.TrySetResult(true);
+                }
+                catch (System.Exception e)
+                {
+                    tcs.TrySetException(e);
+                }
+            }, (error, method, email, methods) =>
+            {
+                tcs.TrySetException(new Exception(error));
+            });
+
+            await tcs.Task;
+        }
     }
 }
diff --git a/Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Contract/ABIRegex.cs b/Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Contract/ABIRegex.cs
index 0cfbcdf00..657d4e525 100644
--- a/Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Contract/ABIRegex.cs
+++ b/Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Contract/ABIRegex.cs
@@ -4,7 +4,7 @@ public static class ABIRegex
     {
         
         public const string FunctionNameRegex = @"^[A-Z|a-z|_,-|0-9]+$";
-        public const string FunctionABIRegex = @"^[A-Z|a-z|_,-|0-9]+\(([A-Za-z0-9\[\]]+(, *[A-Za-z0-9\[\]]+)*)?\)$";
+        public const string FunctionABIRegex = @"^[A-Za-z_][A-Za-z0-9_-]*\((([A-Za-z0-9]+(?:\[\d*\])*|\((?:[A-Za-z0-9]+(?:\[\d*\])*(?:,\s*)?)*\))(?:,\s*([A-Za-z0-9]+(?:\[\d*\])*|\((?:[A-Za-z0-9]+(?:\[\d*\])*(?:,\s*)?)*\)))*)?\)$";
         
         public static bool MatchesFunctionName(string input)
         {
diff --git a/Packages/Sequence-Unity/package.json b/Packages/Sequence-Unity/package.json
index 1f18690d3..6c2b1312a 100644
--- a/Packages/Sequence-Unity/package.json
+++ b/Packages/Sequence-Unity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xyz.0xsequence.waas-unity",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "displayName": "Sequence Embedded Wallet SDK",
   "description": "A Unity SDK for the Sequence WaaS API",
   "unity": "2021.3",