Backend Service + MetaMask Signing = Complete Authorization Flow
Backend Service (Contract Owner): Creates authorization requests, processes results
MetaMask (User): Signs authorization with user's private key
Result: Real-world authorization flow with proper permissions
Backend Service: http://localhost:3001
Data Wallet Service API: Running on your local machine
Expected User Address: 0x107C5655ce50AB9744Fc36A4e9935E30d4923d0b
Test Payload: Same as Swagger test
Connect your wallet as the Data Wallet Owner
Use backend service to create authorization request (as contract owner)
Retrieve the request ID from the backend service
Sign the authorization using MetaMask with different approaches
Submit the MetaMask signature directly to the contract
Let backend service complete the email wallet creation