diff --git a/data/rbserver-663.json b/data/rbserver-663.json
new file mode 100644
index 0000000..ae158de
--- /dev/null
+++ b/data/rbserver-663.json
@@ -0,0 +1,8 @@
+{
+  "contest": 208,
+  "handle": "rbserver",
+  "risk": "2",
+  "title": "There is no way to revoke a specified signature that is provided but not yet used for minting a RabbitHole receipt",
+  "issueId": 663,
+  "issueUrl": "https://github.com/code-423n4/2023-01-rabbithole-findings/issues/663"
+}
\ No newline at end of file