Depends on D16586
Parse new anon miner.
This miner has consistently-18-byte coinbase hex pushes. Pushes are regularly structured: 3-byte push for the blockheight (little-endian), 4-byte push of unknown data, and 8-byte push of unknown data.
In the herald, we parse by the payout output script. In the explorer, we parse by the structure of the coinbase hex, since we do not have the outputScript readily available from the block page.