diff --git a/TBF/Properties/AssemblyInfo.cs b/TBF/Properties/AssemblyInfo.cs
index 3096f7101..925eeb85a 100644
--- a/TBF/Properties/AssemblyInfo.cs
+++ b/TBF/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("3.9.2146.4")]
-[assembly: AssemblyFileVersion("3.9.2146.4")]
+[assembly: AssemblyVersion("3.9.2146.5")]
+[assembly: AssemblyFileVersion("3.9.2146.5")]
diff --git a/TBF/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunner.cs b/TBF/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunner.cs
index dc3153a46..45567a7d3 100644
--- a/TBF/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunner.cs
+++ b/TBF/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunner.cs
@@ -156,22 +156,33 @@ namespace TBF.Rig.RegisterReaders.PoseidonCmdStartStop
             // Extract JSON part
             string json = ExtractJson(allOutput);
 
+            if (TryJsonStringDeserialize(json, out T runAndCaptureJsonAsync)) return runAndCaptureJsonAsync;
+
+            return default;
+        }
+
+        public bool TryJsonStringDeserialize<T>(string json, out T runAndCaptureJsonAsync) where T : new()
+        {
             if (json != null)
             {
                 try
                 {
-                    return JsonConvert.DeserializeObject<T>(json);
+                    runAndCaptureJsonAsync = JsonConvert.DeserializeObject<T>(json);
+                    return true;
                 }
                 catch (Exception ex)
                 {
                     log.Debug(ex.Message);
-                    return TryConvert<T>(json);
+                    runAndCaptureJsonAsync = TryConvert<T>(json);
+                    return true;
                 }
             }
 
-            return default;
+            runAndCaptureJsonAsync = default;
+            return false;
         }
 
+
         private static T TryConvert<T>(string json) where T : new()
         {
             
@@ -210,7 +221,7 @@ namespace TBF.Rig.RegisterReaders.PoseidonCmdStartStop
             
         }
 
-        private string ExtractJson(string text)
+        public string ExtractJson(string text)
         {
             int start = text.IndexOf('{');
             int end = text.LastIndexOf('}');
diff --git a/TBFTests/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunnerTest.cs b/TBFTests/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunnerTest.cs
new file mode 100644
index 000000000..b2f4f03a8
--- /dev/null
+++ b/TBFTests/Rig/RegisterReaders/PoseidonCmdStartStop/CliRunnerTest.cs
@@ -0,0 +1,30 @@
+using System;
+using JetBrains.Annotations;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using TBF.Rig.RegisterReaders.PoseidonCmdStartStop;
+
+namespace TBFTests.Rig.RegisterReaders.PoseidonCmdStartStop
+{
+    [TestClass]
+    [TestSubject(typeof(CliRunner))]
+    public class CliRunnerTest
+    {
+
+        [TestMethod]
+        public void ExtractJson_Test()
+        {
+            String allOutput = "";
+            CliRunner cliRunner = new CliRunner(false);
+            string json = cliRunner.ExtractJson(allOutput);
+            
+            Assert.IsTrue(!string.IsNullOrEmpty(json));
+           
+        }
+
+        [TestMethod]
+        public void TryJsonStringDeserialize_Test()
+        {
+            
+        }
+    }
+}
\ No newline at end of file
diff --git a/TBFTests/TBFTests.csproj b/TBFTests/TBFTests.csproj
index 26fc94f62..3be8360ef 100644
--- a/TBFTests/TBFTests.csproj
+++ b/TBFTests/TBFTests.csproj
@@ -99,6 +99,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Rig\Network\Camera\KeyenceIV3G120\CameraTest.cs" />
     <Compile Include="Rig\Network\Camera\RoiForFixedStartKeyence\RoiTest.cs" />
+    <Compile Include="Rig\RegisterReaders\PoseidonCmdStartStop\CliRunnerTest.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />