Overture poi data - extract category

NextGIS Data
1

I ordered POI data for Italy, and in overture layer I see complicated structure in “categories” field, like
{“primary”:“accommodation”,“alternate”:[“hotel”,“real_estate”]}
How to extract primary value to separate field? To use it then as usual? Is it possible without script data processing? I use QGIS

2

Hi! Use the following expression to create a new field:
from_json( "categories" )['primary']

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