WP plugin for data array?

Question

WordPress

Prompt the plugin so that you can conveniently add / edit data in the next. form.
(Preferably with JSON export and import)
— Country
—— City
——— Branch
————Tel
————Address
————Email
————Add. fields (own custom)
——— Branch
———— Tel
————Address
————Email
————Add. fields
— Country
—— City
———Branch
————Tel
————Address
————Email
————Add. fields
Now I use ACF. There are more than 200 items, it is inconvenient to maintain and manage.