How to run
go run cmd/main.go -query='{"page_id": "603355693096453"}' -path="/Users/m13/Downloads/backup_2023-01-16-2200_backup_2023-01-16-2200_rs-0-2_chatfuel_user_state.bson.gz" -fields="_id,page_id,variables,fb_user_info_revised_date,ig_user_info_changed_date,created_date"