NEED HELP IN SWIFT NETWORK SERVICE API CALLING

I am in need of assistance with network service API calling in Swift 5. Specifically, I require help with the When I call API if the response Success it Working well. but If Some Error it is unable do decode as a model.

1-2 Hour Help On Anydesk

Requirements:
- Experience with Swift 5 and network service API calling
- Proficiency in utilizing Firebase API
- Ability to decode data and fetch error messages

Here is My Code