TickByTickRequest

Field	Type	Description
`reqId`	`int32`	Unique request identifier used for tracking across EWrapper
`contract`	`Contract`	Contract object containing defining characteristics for ticker.
`tickType`	`string`	Type of data the tick represents.
`numberOfTicks`	`int32`	Number of distinct data points. Max is 1000 per request
`ignoreSize`	`bool`	Omit updates that reflect only changes in size, and not price. Applicable to Bid_Ask data requests