serde.hmac isnt returning base64

<img width="536" height="29" alt="Image" src="https://github.com/user-attachments/assets/d56246bd-c414-4271-be23-4a4e1db3e20f" />

<img width="753" height="113" alt="Image" src="https://github.com/user-attachments/assets/de2fecae-860c-4c7a-ac0c-bc6969e17cac" />
that aint base64 thats hex