diff --git a/src/Streams/StreamHierarchy.cpp b/src/Streams/StreamHierarchy.cpp
index 7c461b9..ea99cda 100644
--- a/src/Streams/StreamHierarchy.cpp
+++ b/src/Streams/StreamHierarchy.cpp
@@ -28,7 +28,22 @@ void StreamHierarchy::read(FileFormatVersion aVersion)
 
     mCtx.mLogger.trace("schematicName = {}", schematicName);
 
-    ds.printUnknownData(9, getMethodName(this, __func__) + ": 1");
+    ds.printUnknownData(7U, getMethodName(this, __func__) + ": 1");
+
+    const uint16_t lenSthInHierarchy2s = ds.readUint16();
+
+    mCtx.mLogger.trace("lenSthInHierarchy2s = {}", lenSthInHierarchy2s);
+
+    for(std::size_t i{0U}; i < lenSthInHierarchy2s; ++i)
+    {
+        sthInHierarchy2s.push_back(dynamic_pointer_cast<StructSthInHierarchy2>(parser.readStructure()));
+
+        ds.printUnknownData(4U, getMethodName(this, __func__) + ": 1.53");
+
+        const std::string someName = ds.readStringLenZeroTerm();
+
+        mCtx.mLogger.trace("someName = {}", someName);
+    }
 
     const uint16_t lenNetDbIdMappings = ds.readUint16();
 
diff --git a/src/Streams/StreamHierarchy.hpp b/src/Streams/StreamHierarchy.hpp
index 5ef3d40..b4c28b7 100644
--- a/src/Streams/StreamHierarchy.hpp
+++ b/src/Streams/StreamHierarchy.hpp
@@ -15,6 +15,7 @@
 #include "Structures/StructNetDbIdMapping.hpp"
 #include "Structures/StructSomeHierarchyBase.hpp"
 #include "Structures/StructSthInHierarchy1.hpp"
+#include "Structures/StructSthInHierarchy2.hpp"
 #include "Structures/StructSthInHierarchy3.hpp"
 #include "Structures/StructT0x5b.hpp"
 
@@ -36,6 +37,7 @@ class StreamHierarchy : public Stream
         aVisitor.visit(*this);
     }
 
+    std::vector<std::unique_ptr<StructSthInHierarchy2>>   sthInHierarchy2s;
     std::vector<std::unique_ptr<StructNetDbIdMapping>>    netDbIdMappings;
     std::vector<std::unique_ptr<StructSthInHierarchy3>>   sthInHierarchy3s;
     std::vector<std::unique_ptr<StructT0x5b>>             t0x5bs;
@@ -51,6 +53,15 @@ static std::string to_string(const StreamHierarchy& aObj)
 
     str += fmt::format("{}:\n", nameof::nameof_type<decltype(aObj)>());
 
+    str += fmt::format("{}sthInHierarchy2s:\n", indent(1));
+    for(size_t i = 0u; i < aObj.sthInHierarchy2s.size(); ++i)
+    {
+        if(aObj.sthInHierarchy2s[i])
+        {
+            str += indent(fmt::format("[{}]: {}", i, aObj.sthInHierarchy2s[i]->to_string()), 2);
+        }
+    }
+
     str += fmt::format("{}netDbIdMappings:\n", indent(1));
     for(size_t i = 0u; i < aObj.netDbIdMappings.size(); ++i)
     {