Represents a single row in the Nasdaq symbols database.
Indicates if the symbol is currently active.
Asset class (e.g., 'stocks', 'etf').
Human-readable name of the security.
Trading symbol (ticker).
Last updated timestamp (Unix milliseconds).
Data type: 'rt' (real-time) or 'eod' (end-of-day).
Represents a single row in the Nasdaq symbols database.