{
  "peerId": "12D3KooWLMyXNfwhcX1YsiNx3hnjk3GGSfsU1fydRa8bzrE6scMT",
  "advertisedServices": ["helloworld"],
  "multiaddresses": ["/ip4/127.0.0.1/tcp/35000/p2p/12D3KooWLMyXNfwhcX1YsiNx3hnjk3GGSfsU1fydRa8bzrE6scMT"]
}