Transaction not yet indexed

21y88PiE3U2FuBtqotJJjt5m1FsyhHxbk8xHPoKc5LFhSZLhrmUWZYo66JxNjdfALF2PqZ7ephtLUgPD2bAqioj4

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.