net5050 (chainId 5050) multi-client RPC gateway

HTTP JSON-RPC:
  https://open.xdcrpc.com/erigonrpc
  https://open.xdcrpc.com/rethrpc
  https://open.xdcrpc.com/nethermindrpc
  https://open.xdcrpc.com/gethrpc

WebSocket:
  wss://open.xdcrpc.com/erigonws
  wss://open.xdcrpc.com/rethws
  wss://open.xdcrpc.com/nethermindws
  wss://open.xdcrpc.com/gethws