Edge private keys

I want to read the balance on my Edge wallet programatically. I have thus taken the wallet’s Master Private Key, which I had expected to be a BIP39 seed phrase but is instead a hex value, and am attempting to create a BIP32 root. this fails: var bip32 = require(‘bip32’); var root = bip32.fromSeed(Buffer.from(‘<my-private-key>’)); /Users/ekkis/dev/node_modules/bip32/src/bip32.js:283…