Send a one-time password to verify a payee batch

Payees (previously "beneficiaries"). Starts the verification process for updating the payees batch in which a one-time password is sent to a device belonging to the logged-in user that was previously enrolled through the /authentication_factors/otp/{channel} endpoint.

You should only start this process if the payee update state is PENDING_CHALLENGE.

Note: on the Sandbox Environment, text messages are not sent and the one-time-password is always "123456".