Transaction not yet indexed

21NUS5Hbjy2xX5NaNjcvZErsSyTXJjUg1W8UcPF55Z6qGww68pmaUyZRQvXnxTLZQfHPGrnmBBw1sEqMq7moJfhK

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