This is a sub-package of xdc3.
This requestmanager package is used by most xdc3 packages.
Please read the documentation for more.
npm install xdc3-core-requestmanager
const Web3WsProvider = require('xdc3-providers-ws');
const Web3RequestManager = require('xdc3-core-requestmanager');
const requestManager = new Web3RequestManager(new Web3WsProvider('ws://localhost:8546'));