diff --git a/package.json b/package.json
index e3b77b4..437560c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lacchain-identity",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "Rest api for lacchain identity manager",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
diff --git a/src/services/did-lac/did.service.ts b/src/services/did-lac/did.service.ts
index 05e09c8..7e1ac44 100644
--- a/src/services/did-lac/did.service.ts
+++ b/src/services/did-lac/did.service.ts
@@ -428,7 +428,7 @@ export abstract class DidService implements DidLacService {
       did: jwkAttribute.did,
       relation: jwkAttribute.relation,
       algorithm: 'jwk',
-      encodingMethod: 'hex',
+      encodingMethod: 'json',
       value: toUtf8Bytes(canonicalize(jwkAttribute.jwk)),
       revokeDeltaTime: jwkAttribute.revokeDeltaTime,
       compromised: jwkAttribute.compromised