HistoricalNews

Field	Type	Description
`reqId`	`int32`	Unique request identifier used for tracking across EWrapper
`time`	`string`	Trigger time for the request. Formatted as HH:MM:ss (UTC assumed if timezone note set.)
`providerCode`	`string`	News provider code based on requested data
`articleId`	`string`	Identifier used to track the news article. See EClient.reqNewsArticle for more details.
`headline`	`string`	Headline of the provided news article