diff --git a/data/bin2chen-521.json b/data/bin2chen-521.json
new file mode 100644
index 0000000..f9163c2
--- /dev/null
+++ b/data/bin2chen-521.json
@@ -0,0 +1,8 @@
+{
+  "contest": 194,
+  "handle": "bin2chen",
+  "risk": "",
+  "title": "MultisigManager may not be able to add a valid Multisig",
+  "issueId": 521,
+  "issueUrl": "https://github.com/code-423n4/2022-12-gogopool-findings/issues/521"
+}
\ No newline at end of file