diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 1881b33..c5255cc 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -22,7 +22,7 @@ jobs:
           password: ${{ secrets.ASSOCIATION_DOCKER_TOKEN }}
 
       - name: Set package version
-        run: ./scripts/set-package-version.sh
+        run: yarn set-version
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
diff --git a/package.json b/package.json
index 566fbc8..6b1038d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polymesh-subquery",
-  "version": "0.0.0",
+  "version": "19.0.0",
   "author": "Polymesh Association",
   "license": "Apache-2.0",
   "description": "A Polymesh Chain Indexer, providing a GraphQL interface",
@@ -19,7 +19,8 @@
     "generate:defs": "ts-node --skip-project node_modules/.bin/polkadot-types-from-defs --package polymesh-subql/api-interfaces --input ./src/api-interfaces",
     "generate:meta": "ts-node --skip-project node_modules/.bin/polkadot-types-from-chain --package polymesh-subql/api-interfaces --endpoint ./metadata.json --output ./src/api-interfaces --strict",
     "format": "cross-env prettier-eslint $PWD\"/src/**/*.{ts,tsx,js,jsx,json,css,md}\" --write",
-    "semantic-release": "semantic-release"
+    "semantic-release": "semantic-release",
+    "set-version": "sh scripts/set-package-version.sh"
   },
   "homepage": "https://polymesh.network/",
   "repository": "github:PolymeshAssociation/polymesh-subquery",
diff --git a/src/mappings/entities/assets/mapAsset.ts b/src/mappings/entities/assets/mapAsset.ts
index 32b0e5b..85fb0c2 100644
--- a/src/mappings/entities/assets/mapAsset.ts
+++ b/src/mappings/entities/assets/mapAsset.ts
@@ -1,4 +1,3 @@
-import { Option, u64, U8aFixed } from '@polkadot/types-codec';
 import { Codec } from '@polkadot/types/types';
 import { SubstrateEvent, SubstrateExtrinsic } from '@subql/types';
 import {
@@ -559,14 +558,12 @@ export const handleAssetBalanceUpdated = async (event: SubstrateEvent): Promise<
     promises.push(asset.save());
   } else if (updateReason === 'transferred') {
     const details = value as unknown as {
-      readonly instructionId: Option<u64>;
-      readonly instructionMemo: Option<U8aFixed>;
+      instructionId: number | null;
+      instructionMemo: `0x${string}` | null;
     };
 
-    instructionId = details.instructionId?.isSome
-      ? processInstructionId(details.instructionId.unwrap())
-      : null;
-    instructionMemo = bytesToString(details.instructionMemo);
+    instructionId = details.instructionId ? details.instructionId.toString() : null;
+    instructionMemo = details.instructionMemo ? coerceHexToString(details.instructionMemo) : null;
 
     eventId = EventIdEnum.Transfer;
     if (!instructionId) {