I noticed that the lower_bound and upper_bound parameters do not exist anymore after the nodeos 1.6 version on the RPC api.
https://developers.eos.io/eosio-nodeos/v1.7.0/reference#get_table_rows
https://developers.eos.io/eosio-nodeos/v1.5.0/reference#get_table_rows
How can I get a subset of my elements using my primary index?