Infura subscription not working anymore

[metachris]

Currently, subscriptions to Infura cause the following error:

json: cannot unmarshal string into Go value of type types.txJSON

The error is logged here: https://github.com/flashbots/mempool-dumpster/blob/7dd7061fc3f2a4128abe7fd0d1d88d56186be9e5/collector/node_conn.go#L75

It stems from the go-ethereum gethclient subscription code that's suddenly unable to parse the result from Infura subscriptions into txJSON.