## Description From go-ethereum 1.16.5, websocket api supports subscription of `transactionReceipts` It is not urgent but good-to-have feature for jsonrpc compatibility. ## Reference - go-ethereum [v1.16.5 release note](https://github.com/ethereum/go-ethereum/releases/tag/v1.16.5) - go-ethereum [PR #32697](https://github.com/ethereum/go-ethereum/pull/32697) - go-etheruem [PR #32869](https://github.com/ethereum/go-ethereum/pull/32869)