diff --git a/src/utils/json.hpp b/src/utils/json.hpp
deleted file mode 100644
index 2ae606f..0000000
--- a/src/utils/json.hpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#pragma once
-
-#include <nlohmann/json.hpp>
-
-#include <string_view>
-
-namespace utils
-{
-
-template <class T>
-struct is_vector : std::false_type
-{};
-
-template <class T>
-struct is_vector<std::vector<T>> : std::true_type
-{};
-
-template <class T>
-constexpr bool is_vector_v = is_vector<T>::value;
-
-template <class T>
-std::optional<T> readJson(const nlohmann::json& json)
-{
-    if constexpr (is_vector_v<T>)
-    {
-        if (json.is_array())
-        {
-            auto result = T{};
-            for (const auto& item : json.items())
-            {
-                if (auto val = readJson<typename T::value_type>(item.value()))
-                {
-                    result.emplace_back(*val);
-                }
-            }
-            return result;
-        }
-    }
-    else
-    {
-        if (const T* val = json.get_ptr<const T*>())
-        {
-            return *val;
-        }
-    }
-
-    return std::nullopt;
-}
-
-template <class T>
-std::optional<T> readJson(const nlohmann::json& json, std::string_view key)
-{
-    auto it = json.find(key);
-    if (it != json.end())
-    {
-        const nlohmann::json& subJson = *it;
-        return readJson<T>(subJson);
-    }
-
-    return std::nullopt;
-}
-
-} // namespace utils
diff --git a/src/utils/labeled_tuple.hpp b/src/utils/labeled_tuple.hpp
index a224141..398e4be 100644
--- a/src/utils/labeled_tuple.hpp
+++ b/src/utils/labeled_tuple.hpp
@@ -81,6 +81,11 @@
         from_json_all(j, std::make_index_sequence<sizeof...(Args)>());
     }
 
+    std::string dump() const
+    {
+        return to_json().dump();
+    }
+
     template <size_t Idx>
     const auto& at_index() const
     {
diff --git a/src/utils/tstring.hpp b/src/utils/tstring.hpp
index 8f9701a..f0bc679 100644
--- a/src/utils/tstring.hpp
+++ b/src/utils/tstring.hpp
@@ -128,5 +128,29 @@
     }
 };
 
+struct MetricProperties
+{
+    static std::string str()
+    {
+        return "MetricProperties";
+    }
+};
+
+struct SensorDbusPath
+{
+    static std::string str()
+    {
+        return "SensorDbusPath";
+    }
+};
+
+struct SensorRedfishUri
+{
+    static std::string str()
+    {
+        return "SensorRedfishUri";
+    }
+};
+
 } // namespace tstring
 } // namespace utils