Transaction not yet indexed

21CUWRL6W1SER4REk3NvMCwqfv6Ztf1hX7yhejcyhMpxMhtTQtKG5xnsf1RuAP4yhMsRAMRm6uvYe5i7JGCixgKw

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