diff --git a/packages/example/components/chains/alephium/example.tsx b/packages/example/components/chains/alephium/example.tsx
index df986391d..01dcb82ba 100644
--- a/packages/example/components/chains/alephium/example.tsx
+++ b/packages/example/components/chains/alephium/example.tsx
@@ -33,7 +33,21 @@ export function Example() {
             wallet?.account?.address ?? '',
           )}
           onExecute={async (request: string) => {
-            return wallet.signer.signAndSubmitTransferTx(JSON.parse(request));
+            const params = JSON.parse(request);
+            return wallet.signer.signAndSubmitTransferTx({
+              ...params,
+              destinations: params.destinations.map((destination: any) => ({
+                address: destination?.address,
+                attoAlphAmount: destination?.amount?.toString(),
+                tokens: destination?.tokens?.map((token: any) => ({
+                  id: token?.id,
+                  amount: token?.amount?.toString(),
+                })),
+                lockTime: destination?.lockTime,
+                message: destination?.message,
+              })),
+              signerAddress: params.signerAddress,
+            });
           }}
         />
         <ApiPayload
@@ -71,7 +85,8 @@ export function Example() {
           onExecute={async (request: string) => {
             return wallet.signer.signUnsignedTx(JSON.parse(request));
           }}
-        /><ApiPayload
+        />
+        <ApiPayload
           title="signMessage"
           description=""
           allowCallWithoutProvider={!!wallet}
@@ -89,7 +104,7 @@ export function Example() {
 
 export default function App() {
   return (
-    <AlephiumWalletProvider network="mainnet" theme="retro">
+    <AlephiumWalletProvider network="testnet" theme="retro">
       <Example />
     </AlephiumWalletProvider>
   );
diff --git a/packages/example/components/chains/alephium/params.ts b/packages/example/components/chains/alephium/params.ts
index 6c53c7d14..9f9c33216 100644
--- a/packages/example/components/chains/alephium/params.ts
+++ b/packages/example/components/chains/alephium/params.ts
@@ -10,21 +10,21 @@ export default {
         destinations: [
           {
             address: to,
-            amount: '20000000',
+            amount: ONE_ALPH.toString(),
           },
         ],
       }),
     },
     {
-      id: 'signAndSubmitTransferTx-token',
+      id: 'signAndSubmitTransferTx-token-638b022292ea665dc9c946eec02ef9602926dc0e6db17143baebce898e34a302',
       name: 'Token',
       value: JSON.stringify({
         signerAddress: from,
         destinations: [
           {
             address: to,
-            amount: DUST_AMOUNT,
-            tokens: [{ id: 'tokenId', amount: 10 }],
+            amount: DUST_AMOUNT.toString(),
+            tokens: [{ id: '638b022292ea665dc9c946eec02ef9602926dc0e6db17143baebce898e34a302', amount: 10n }],
           },
         ],
       }),
@@ -33,11 +33,11 @@ export default {
   signAndSubmitDeployContractTx: (from: string) => {
     return [
       {
-        id: 'signAndSubmitDeployContractTx-native',
-        name: 'Native with body',
+        id: 'signAndSubmitDeployContractTx-test',
+        name: 'Deploy test contract',
         value: JSON.stringify({
           signerAddress: from,
-          bytecode: '010203',
+          bytecode: '000117010100000004d362d46012b413c40de0b6b3a7640000a90000',
         }),
       },
     ];
@@ -45,11 +45,11 @@ export default {
   signAndSubmitExecuteScriptTx: (from: string) => {
     return [
       {
-        id: 'signAndSubmitExecuteScriptTx-native',
-        name: 'Native with body',
+        id: 'signAndSubmitExecuteScriptTx-call-test-contract',
+        name: 'call test contract',
         value: JSON.stringify({
           signerAddress: from,
-          bytecode: '010203',
+          bytecode: '01010300000007b413c40de0b6b3a7640000a20c0c1440206c3b1f6262ffad9a4cb1e78f03f17f3593837505a69edbc18a59cf23c1f1c4020100',
         }),
       },
     ];