I'm using UPA library to read and receive RWF messages, and with each MarketByPrice message I'm only interested in a subset of the summary data. Currently I'm having to decode every single field to find the data that I'm interested in, which is costly. Is there a way of only decoding the fields I'm interested in (e.g QUOTE_DATE and QUOTIM_MS). I've found the documentation around LocalFieldSetDefDb, but not quite sure this is the direction I'm supposed to follow. If it is, please could you give an example of how I could use LocalFieldSetDefDb to only read the summary data fields I'm interested in.