bc5617d57f
Running this command results in the response:
```
{"jsonrpc":"2.0","id":1,"error":{"code":-32602,"message":"too many arguments, want at most 1"}}
```
Also there are other newHeads subscription examples in this page, which don't have the {} param.
Documentation of the go-ethereum website
To start a jekyll server run:
docker-compose up
Now you can visit localhost:4000 to look at the site.