@lto-network/lto-marshall 
Marshall can serialize and parse LTO blockchain data structures
Includes:
- Serialization primitives
- Parsing primitives
- Binary to js converters
- Js to binary converters
- JSON to js converters
- Js to JSON converters
Usage:
import { binary, json } from 'parse-serialize'
const tx = {
type: 4,
version: 2,
fee: 100000,
senderPublicKey: '7GGPvAPV3Gmxo4eswmBRLb6bXXEhAovPinfcwVkA2LJh',
timestamp: 1542539421461,
proofs:
['22J76sGhLRo3S5pkqGjCi9fijpEeGGRmnv7canxeon2n2MNx1HhvKaBz2gYTdpJQohmUusRKR3yoCAHptRnJ1Fwe'],
id: 'EG3WvPWWEU5DdJ7xfB3Y5TRJNzMpt6urgKoP7docipvW',
recipient: '3N3Cn2pYtqzj7N9pviSesNe8KG9Cmb718Y1',
amount: 10000,
attachment: '',
};
// Binary converter
const bytes = binary.serializeTx(tx);
const txb = binary.parseTx(bytes)
// json converted
const jsonString = json.stringifyTx(tx)
const txj = json.parseTx(jsonString)