put https://api.voucherify.io/client/v1/customers//consents#
Update marketing permissions for the specified customer.
Examples
{
"cnst_aIdUulAh0SCsOCaS3005y7yS": true,
"cnst_aIdUulAhwewqaS31213fdsfds": false
}
Opt-out from all communication:
{
"unsubscribed": true
}