Bip39 Json. Regardless that it makes use of BIP32 strategy you may however import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Edition which some wallet use to the era of seeds. The BIP39 standard was created to make it much easier for end users to Get https://lukaspetjx.wikissl.com/1108477/the_anatomy_of_the_bip39_phrase_entropy_words_and_phrases_and_safety