diff --git a/data/observability__exclusion_list.csv b/data/observability__exclusion_list.csv
new file mode 100644
index 0000000..6796583
--- /dev/null
+++ b/data/observability__exclusion_list.csv
@@ -0,0 +1,2 @@
+block_number
+15209037
\ No newline at end of file