Creates a Cloud Identity for the given customer using the customer's information, or the information provided here. Possible error codes: * PERMISSION_DENIED: * The customer doesn't belong to the reseller. * You are not authorized to provision cloud identity id. See https://support.google.com/channelservices/answer/9759265 * INVALID_ARGUMENT: Required request parameters are missing or invalid. * NOT_FOUND: The customer was not found. * ALREADY_EXISTS: The customer's primary email already exists. Retry after changing the customer's primary contact email. * INTERNAL: Any non-user error related to a technical issue in the backend. Contact Cloud Channel support. * UNKNOWN: Any non-user error related to a technical issue in the backend. Contact Cloud Channel support. Return value: The ID of a long-running operation. To get the results of the operation, call the GetOperation method of CloudChannelOperationsService. The Operation metadata contains an instance of OperationMetadata.