Step 1: Enter the homepage of the group, select “More--Message Signature”.
Step 2: Select the network to which the address to be signed belongs.
Step 3: Fill in the message and request description, and click the Sign button.
Step 4: Open the App, use the cold wallet to confirm the request information is correct and complete the authorization.
Step 5: The message signature request is submitted successfully.
After the approval, multi-signing, and broadcast are completed, the request can be achieved.