Add printfs
diff --git a/src/nested_artboard.cpp b/src/nested_artboard.cpp
index 6bd13d8..0a6114b 100644
--- a/src/nested_artboard.cpp
+++ b/src/nested_artboard.cpp
@@ -23,6 +23,8 @@
 void NestedArtboard::nest(Artboard* artboard) {
     assert(artboard != nullptr);
 
+    printf("nest %p with %p isinst %d\n", this, artboard, artboard->isInstance());
+
     m_Artboard = artboard;
     m_Instance = nullptr;
     if (artboard->isInstance()) {
@@ -86,6 +88,8 @@
     // practice for any loaded Rive file.
     assert(m_Artboard == nullptr || m_Artboard == m_Instance.get());
 
+    printf("onAddedClean %p with artboard %p inst %p\n", this, m_Artboard, m_Instance.get());
+
     if (m_Instance) {
         for (auto animation : m_NestedAnimations) {
             animation->initializeAnimation(m_Instance.get());