post https://psd2-api.fidoo.com/psd2-cobs/cobs/2.0/my/payments//sign/
Mutual TLS Required
Do not forget that to call this resource, you must use mutual TLS with your eIDAS certificate with mandates for PSD2. Just using the OAuth 2.0 access token is not sufficient.
Initialize authorization of payment with payment ID using an authorization ID with given sign ID.