This method is used to register a business client in the IMTS. The purpose of registration is to create a unique client profile in the system, which can be used to send and receive transfers. Registration is required before creating a transfer, since each transfer must be associated with a specific client.All personal data of the client during registration is transmitted in encrypted form.What the encrypted data includes can be seen in the description on this page -> "Body Params" -> "encrypted_data details"