What you are after are numerical indexes in the way classic arrays work, however there is no such thing with json object/associative arrays.
"key1", "key2" themeselves are the indexes and there is no numerical index associated with them. If you want to have such functionality you have to assiciate them yourself.
ememe "key1", "key2" themeselves are the indexes and there is no numerical index associated with them. If you want to have such functionality you have to assiciate them yourself.
