Hi Alexander,
Please see conversion with QGIS , look on the star of the output, does output full overlay input?
Please see in mygeodata website:
Test data(input/output/QGIS)
5044 EsriJson -MafInfoTab.zip (14.0 KB)
…...// Define the target CRS (replace with the actual one, e.g.,...CRS (open the EsriJSON in a text editor; look for "spatialReference"...