Transaction not yet indexed

21tbNnSNEid5n3eXwjgwRKU669DX8b7193TS1xGcmH1mqqrbgDrFmtAkSV5TrUCP5Y7BQppDfUAxQ1639EAR2Pwh

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