Addresses is a list of configured P2P addresses used when registering the node.
NumConnections is the number of peer connections.
NumPeers is the number of connected peers.
PeerID is the peer ID derived by hashing peer's public key.
Protocols is a set of registered protocols together with the number of connected peers.
PubKey is the public key used for P2P communication.
Topics is a set of registered topics together with the number of connected peers.
Status is the P2P status of a node.