diff --git a/subscriptions.ts b/subscriptions.ts
index c08ed33..798e0c0 100644
--- a/subscriptions.ts
+++ b/subscriptions.ts
@@ -4,10 +4,18 @@ export const gatewayInitialize = `subscription {
       issuedAt
       version
       issuingPrincipal {
+        ... on App {
+          id
+          __typename
+        }
+        ... on User {
+          id
+          __typename
+        }
         ... on Node {
           id
+          __typename
         }
-        __typename
       }
       recipient {
         id