For i18next < 2.0.0 use i18next-conv@1.11.0, for i18next < 3.0.0 use i18next-conv@2.6.1, for i18next < 12.0.0 use i18next-conv@<8. i18next-conv -l [locale] -s [sourcePath] -t [targetPath] -f ...
sqlalchemy_to_json_schema is the library for converting sqlalchemys's model to jsonschema. dumping json with above three output styles. target models are here. Group and User.