Invoicing.ServiceProvider
[ServiceProvider.ServiceProvider] по /cabinet/v1/serviceProvider
ServiceProvider.ServiceProvider по /cabinet/v1/serviceProvider/{id}

Отличия по полям:
http://api-dev.hgrosh.by/epos/cabinet/v1/serviceProvider
contract
currencies
legalInfo
merchant

http://api-dev.hgrosh.by/epos/cabinet/v1/serviceProvider/1

notifyParams
retailOutlets