Bip39 json http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Regardless that it employs BIP32 process it is possible to however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There's BIP44 Variation which some wallet use with the technology of seeds. This works due to the fact BIP39 is supported by numerous wallet brands. https://mediajx.com/story26332866/bip39-checksum-word-a-secret-weapon-for-bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39