Small command line tool to download and convert geoJSON files (to the right structure) from data.mos.ru
With npm do:
npm install datamos-geojson
Type:
datamos-geojson
Then input three values:
prompt: datasetID: [for example '912']
API key (register and get your own API key here: apidata.mos.ru):
prompt: Output filename, keep empty for default value [./output/DatasetID.geojson]: