New OP_RETURN

=:ETH.USDT:0x6aD19D3C6405CA661EeAFFc167cDb78fa7262645:0/1/16:dx:30

https://mempool.space/tx/50094571226e70eca50c1f54e4e27bffddcc440d458c6721b1a1bddea0c533fe