diff --git a/Cargo.toml b/Cargo.toml
index deb16f3..8018c2f 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,3 +38,6 @@ siwe-recap = { version = "0.2" }
 
 [dev-dependencies]
 async-std = { version = "1.10", features = ["attributes"] }
+base64 = "0.13"
+serde_ipld_dagcbor = "0.4"
+did-method-key = { git = "https://github.com/spruceid/ssi.git", branch = "feat/ucan-0.10"  }
diff --git a/src/v3/common.rs b/src/v3/common.rs
index 9f36bf1..31cd8bc 100644
--- a/src/v3/common.rs
+++ b/src/v3/common.rs
@@ -257,3 +257,17 @@ where
         Ok(RecapCacao::try_from(siwe)?.into())
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[async_std::test]
+    async fn basic() {
+        let encoded = "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";
+        let decoded = base64::decode(encoded).unwrap();
+        let cacao: CommonCacao = serde_ipld_dagcbor::from_slice(&decoded).unwrap();
+        let verifier = CommonVerifier::new(&did_method_key::DIDKey);
+        cacao.verify(&verifier).await.unwrap();
+    }
+}