Transaction not yet indexed

21CgnMr8FEPmXwcEuf8aHi5UkppamnXRMnzMPJ1hSXgfMTLGYndfLoDruHya8ixfxR5QwhKEwXzcUDUzQ8d2kEtc

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