- https://hyperledger-fabric.readthedocs.io/en/release-2.2/peer_event_services.html
- https://hyperledger.github.io/fabric-sdk-node/release-2.2/module-fabric-network.TransactionEvent.html
- https://hyperledger.github.io/fabric-gateway/main/api/node/interfaces/Network.html#getChaincodeEvents
- https://hyperledger.github.io/fabric-sdk-node/release-2.2/module-fabric-network.Contract.html#addContractListener