Subscribing to our market data services is usually the best way to view the list of fields that are associated with a quote and trade update - which I believe you already observed. I would suggest you reach out to the Refinitiv Helpdesk - they will likely involve a content specialist and provide these details.
That being said, when subscribing to Nasdaq data, I observed the following:
The time and trade logic depends on the type of trade, for example, if the trade is LPE (Last Price Eligible). Some of the historical time fields include:
Note: The above descriptions are taken from the Data Dictionary.