New OP_RETURN

=:AVAX.USDT:0x667B937552f1a7d5fdBb060Dfc4ef2dD4B146a48:25219746e5/1/0:-_/t:5/50

https://mempool.space/tx/a1e79143e11f6dce06d1f25c270f8edb144337f3b042949eee2c6251bd372cec