Ideally, a separate table of key-value, but we do not live in a perfect world )
rhiannon_Frami answered on July 5th 19 at 00:06
Well, actually the database was invented to store data, and is not intended to store data in the data
If you don't have to search/sort by that parameter you can put in text
But increasing the flow of data between the database and the script and the script will need to write encoder/decoder JSON, if it suits You then why not.