New OP_RETURN

=:ETH.USDC:0x6A64B07B26FD49Ae8E99a4B67e89a5617b4A9B42:1549976400:xdf:60

https://mempool.space/tx/5d5aace4592ce5582a8dedaad6346764a4e4b3af15f7e0a6667dbbd05a5c784d