After receiving the calldata from the /migrate/forward-calldata, it needs to be signed by the signer for differentapprovals.
To do that, you will need to get each item in the forwardCallDataReponse signed by the signer and then passed as trxList and the txnIndexes with it. Learn how to do this here.
Gasless Transactions (pay NO Gas)
Generate calldata
Execute calldata
After receiving the calldata from the /migrate/gasless-calldata, it needs to be signed by the signer for differentapprovals.
To do that, you will need to get each item in the forwardCallDataReponse signed by the signer and then passed as trxList and the txnIndexes with it. Learn how to do this here.