simplify serialization and fix test

bolt-cli/src/common/web3signer.rs

@@ -51,9 +51,9 @@ impl Web3Signer {
             /// The two below proxy fields are here for deserialisation purposes.
             /// They are not used as signing is only over the consensus type.
             #[allow(unused)]
-            _proxy_bls: Vec<String>,
+            proxy_bls: Vec<String>,
             #[allow(unused)]
-            _proxy_ecdsa: Vec<String>,
+            proxy_ecdsa: Vec<String>,
         }
 
         /// Outer container for response.
@@ -92,14 +92,9 @@ impl Web3Signer {
             .json(&map)
             .send()
             .await?
-            .text()
+            .json::<String>()
             .await?;
 
-        let resp = resp
-            .strip_prefix('"')
-            .and_then(|s| s.strip_suffix('"'))
-            .wrap_err("Recieved malformed response from web3signer")?;
-
         Ok(resp.to_string())
     }
 }