diff --git a/packages/data-store-json/src/identifier/did-store.ts b/packages/data-store-json/src/identifier/did-store.ts
index 28a6407c4..a049b3e59 100644
--- a/packages/data-store-json/src/identifier/did-store.ts
+++ b/packages/data-store-json/src/identifier/did-store.ts
@@ -3,7 +3,7 @@ import { AbstractDIDStore } from '@veramo/did-manager'
 
 import Debug from 'debug'
 import { DiffCallback, VeramoJsonCache, VeramoJsonStore } from '../types'
-import structuredClone from '@ungap/structured-clone'
+import { serialize, deserialize } from '@ungap/structured-clone'
 
 const debug = Debug('veramo:data-store-json:did-store')
 
@@ -66,12 +66,12 @@ export class DIDStoreJson extends AbstractDIDStore {
 
     if (!identifier) throw Error('Identifier not found')
 
-    return structuredClone(identifier)
+    return deserialize(serialize(identifier))
   }
 
   async delete({ did }: { did: string }) {
     if (this.cacheTree.dids[did]) {
-      const oldTree = structuredClone(this.cacheTree, { lossy: true })
+      const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
       delete this.cacheTree.dids[did]
       // FIXME: delete key associations?
       await this.notifyUpdate(oldTree, this.cacheTree)
@@ -81,7 +81,7 @@ export class DIDStoreJson extends AbstractDIDStore {
   }
 
   async import(args: IIdentifier) {
-    const oldTree = structuredClone(this.cacheTree, { lossy: true })
+    const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
     this.cacheTree.dids[args.did] = args
     args.keys.forEach((key) => {
       this.cacheTree.keys[key.kid] = {
@@ -101,6 +101,6 @@ export class DIDStoreJson extends AbstractDIDStore {
         (!args.provider || (args.provider && iid.provider === args.provider)) &&
         (!args.alias || (args.alias && iid.alias === args.alias)),
     )
-    return structuredClone(result)
+    return deserialize(serialize(result))
   }
 }
diff --git a/packages/data-store-json/src/identifier/key-store.ts b/packages/data-store-json/src/identifier/key-store.ts
index 13ed244c1..90738e624 100644
--- a/packages/data-store-json/src/identifier/key-store.ts
+++ b/packages/data-store-json/src/identifier/key-store.ts
@@ -3,7 +3,7 @@ import { AbstractKeyStore } from '@veramo/key-manager'
 
 import Debug from 'debug'
 import { DiffCallback, VeramoJsonCache, VeramoJsonStore } from '../types'
-import structuredClone from '@ungap/structured-clone'
+import { serialize, deserialize } from '@ungap/structured-clone'
 
 const debug = Debug('veramo:data-store-json:key-store')
 
@@ -41,7 +41,7 @@ export class KeyStoreJson extends AbstractKeyStore {
 
   async get({ kid }: { kid: string }): Promise<IKey> {
     if (this.cacheTree.keys[kid]) {
-      return structuredClone(this.cacheTree.keys[kid])
+      return deserialize(serialize(this.cacheTree.keys[kid]))
     } else {
       throw Error('not_found: Key not found')
     }
@@ -49,7 +49,7 @@ export class KeyStoreJson extends AbstractKeyStore {
 
   async delete({ kid }: { kid: string }) {
     if (this.cacheTree.keys[kid]) {
-      const oldTree = structuredClone(this.cacheTree, { lossy: true })
+      const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
       delete this.cacheTree.keys[kid]
       await this.notifyUpdate(oldTree, this.cacheTree)
       return true
@@ -59,7 +59,7 @@ export class KeyStoreJson extends AbstractKeyStore {
   }
 
   async import(args: IKey) {
-    const oldTree = structuredClone(this.cacheTree, { lossy: true })
+    const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
     this.cacheTree.keys[args.kid] = args
     await this.notifyUpdate(oldTree, this.cacheTree)
     return true
@@ -68,7 +68,7 @@ export class KeyStoreJson extends AbstractKeyStore {
   async list(args: {} = {}): Promise<ManagedKeyInfo[]> {
     const keys = Object.values(this.cacheTree.keys).map((key: IKey) => {
       const { kid, publicKeyHex, type, meta, kms } = key
-      return { kid, publicKeyHex, type, meta: structuredClone(meta), kms } as ManagedKeyInfo
+      return { kid, publicKeyHex, type, meta: deserialize(serialize(meta)), kms } as ManagedKeyInfo
     })
     return keys
   }
diff --git a/packages/data-store-json/src/identifier/private-key-store.ts b/packages/data-store-json/src/identifier/private-key-store.ts
index 6ae5676a6..b237cfbf1 100644
--- a/packages/data-store-json/src/identifier/private-key-store.ts
+++ b/packages/data-store-json/src/identifier/private-key-store.ts
@@ -3,7 +3,7 @@ import { ImportablePrivateKey, ManagedPrivateKey } from '@veramo/key-manager/src
 import { v4 as uuid4 } from 'uuid'
 import Debug from 'debug'
 import { DiffCallback, VeramoJsonCache, VeramoJsonStore } from '../types'
-import structuredClone from '@ungap/structured-clone'
+import { serialize, deserialize } from '@ungap/structured-clone'
 
 const debug = Debug('veramo:data-store-json:private-key-store')
 
@@ -42,7 +42,7 @@ export class PrivateKeyStoreJson extends AbstractPrivateKeyStore {
   }
 
   async get({ alias }: { alias: string }): Promise<ManagedPrivateKey> {
-    const key = structuredClone(this.cacheTree.privateKeys[alias])
+    const key = deserialize(serialize(this.cacheTree.privateKeys[alias]))
     if (!key) throw Error('not_found: PrivateKey not found')
     if (this.secretBox && key.privateKeyHex) {
       key.privateKeyHex = await this.secretBox.decrypt(key.privateKeyHex)
@@ -54,7 +54,7 @@ export class PrivateKeyStoreJson extends AbstractPrivateKeyStore {
     debug(`Deleting private key data for alias=${alias}`)
     const privateKeyEntry = this.cacheTree.privateKeys[alias]
     if (privateKeyEntry) {
-      const oldTree = structuredClone(this.cacheTree, { lossy: true })
+      const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
       delete this.cacheTree.privateKeys[alias]
       await this.notifyUpdate(oldTree, this.cacheTree)
     }
@@ -64,10 +64,10 @@ export class PrivateKeyStoreJson extends AbstractPrivateKeyStore {
   async import(args: ImportablePrivateKey): Promise<ManagedPrivateKey> {
     debug('Saving private key data', args.alias)
     const alias = args.alias || uuid4()
-    const key: ManagedPrivateKey = structuredClone({
+    const key: ManagedPrivateKey = deserialize(serialize({
       ...args,
       alias,
-    })
+    }))
     if (this.secretBox && key.privateKeyHex) {
       const copy = key.privateKeyHex
       key.privateKeyHex = await this.secretBox.encrypt(copy)
@@ -79,7 +79,7 @@ export class PrivateKeyStoreJson extends AbstractPrivateKeyStore {
       )
     }
 
-    const oldTree = structuredClone(this.cacheTree, { lossy: true })
+    const oldTree = deserialize(serialize(this.cacheTree, { lossy: true }))
     this.cacheTree.privateKeys[key.alias] = key
     await this.notifyUpdate(oldTree, this.cacheTree)
 
@@ -87,6 +87,6 @@ export class PrivateKeyStoreJson extends AbstractPrivateKeyStore {
   }
 
   async list(): Promise<Array<ManagedPrivateKey>> {
-    return structuredClone(Object.values(this.cacheTree.privateKeys))
+    return deserialize(serialize(Object.values(this.cacheTree.privateKeys)))
   }
 }