diff --git a/packages/server/src/common/util.ts b/packages/server/src/common/util.ts
index 426d4df8..850d6e85 100644
--- a/packages/server/src/common/util.ts
+++ b/packages/server/src/common/util.ts
@@ -11,8 +11,8 @@ export function asJSON(o: unknown) {
     typeof v === 'bigint' ? v.toString() : v instanceof Binary ? v.asHex() : v,
   )
 }
-export function asSerializable(o: unknown) {
-  return typeof o === 'string' ? o : safeDestr<any>(asJSON(o))
+export function asSerializable<T>(o: T) {
+  return typeof o === 'string' ? o : safeDestr<T>(asJSON(o))
 }
 export function getEventValue(module: string, name: string | string[], events: Event[]) {
   return events.find((e) =>
diff --git a/packages/server/src/services/agents/steward/agent.ts b/packages/server/src/services/agents/steward/agent.ts
index 5d04747a..64f697cd 100644
--- a/packages/server/src/services/agents/steward/agent.ts
+++ b/packages/server/src/services/agents/steward/agent.ts
@@ -9,7 +9,7 @@ import { IngressConsumer, NetworkInfo } from '@/services/ingress/index.js'
 import { Scheduled, Scheduler } from '@/services/persistence/level/scheduler.js'
 import { LevelDB, Logger, NetworkURN } from '@/services/types.js'
 
-import { stringToUa8 } from '@/common/util.js'
+import { asSerializable, stringToUa8 } from '@/common/util.js'
 import { HexString } from '@/lib.js'
 import {
   Agent,
@@ -263,7 +263,7 @@ export class DataSteward implements Agent, Queryable {
           .pipe(
             mergeMap((keys) => {
               return keys.map((key) =>
-                this.#ingress.getStorage(chainId, key).pipe(mapEntry(key, this.#ingress)),
+                this.#ingress.getStorage(chainId, key).pipe(asSerializable(mapEntry(key, this.#ingress))),
               )
             }),
             mergeAll(),