The tutorial on Steem Dev portal works https://developers.steem.io/tutorials-javascript/stream_blockchain_transactions ... Well the tutorial sucks but you can look at the repo the code runs as is from codepen. One thin I do however since a while ago is only use dsteem 0.10 and not higher since higher just does weird things not sure if it just me, don't care. There is always steemjs I can use also. Codepen