I had to repeat this one and reorder the mentions to get it to register. https://explorer.bitcoin.com/bch/tx/b3c8fcfc05f0d9f52ecf6d3decea4bd5bad66747e4a0ab787ed3be815d1a4ce7
OK found that Twitter ignores API posting when you start a tweet with @mention, have to prepend it with something (like )
