diff --git a/Src/IACore/imp/cpp/IACore.cpp b/Src/IACore/imp/cpp/IACore.cpp
index 5311c29..0c8d532 100644
--- a/Src/IACore/imp/cpp/IACore.cpp
+++ b/Src/IACore/imp/cpp/IACore.cpp
@@ -43,7 +43,7 @@ namespace IACore
 
     FLOAT64 GetSecondsCount()
     {
-        return (HighResClock::now() - g_startTime).count();
+        return std::chrono::duration_cast<std::chrono::seconds>(HighResClock::now() - g_startTime) .count();
     }
 
     UINT32 GetRandom(IN UINT32 seed)
diff --git a/Src/IACore/imp/cpp/JSON.cpp b/Src/IACore/imp/cpp/JSON.cpp
index 0f63f06..18bd604 100644
--- a/Src/IACore/imp/cpp/JSON.cpp
+++ b/Src/IACore/imp/cpp/JSON.cpp
@@ -26,14 +26,14 @@ namespace IACore
         return parseResult;
     }
 
-    Expected<simdjson::dom::object, String> JSON::ParseReadOnly(IN CONST String &json)
+    Expected<Pair<simdjson::dom::parser, simdjson::dom::object>, String> JSON::ParseReadOnly(IN CONST String &json)
     {
         simdjson::error_code error{};
         simdjson::dom::parser parser;
         simdjson::dom::object object;
         if ((error = parser.parse(json).get(object)))
             return MakeUnexpected(std::format("Failed to parse JSON : {}", simdjson::error_message(error)));
-        return object;
+        return std::make_pair(IA_MOVE(parser), IA_MOVE(object));
     }
 
     String JSON::Encode(IN nlohmann::json data)
diff --git a/Src/IACore/inc/IACore/JSON.hpp b/Src/IACore/inc/IACore/JSON.hpp
index e6b779b..bf4be73 100644
--- a/Src/IACore/inc/IACore/JSON.hpp
+++ b/Src/IACore/inc/IACore/JSON.hpp
@@ -31,7 +31,7 @@ namespace IACore
 
       public:
         STATIC Expected<nlohmann::json, String> Parse(IN CONST String &json);
-        STATIC Expected<simdjson::dom::object, String> ParseReadOnly(IN CONST String &json);
+        STATIC Expected<Pair<simdjson::dom::parser, simdjson::dom::object>, String> ParseReadOnly(IN CONST String &json);
         template<typename _object_type> STATIC Expected<_object_type, String> ParseToStruct(IN CONST String &json);
 
         STATIC String Encode(IN nlohmann::json data);