Transaction not yet indexed

21VsTbmfzcAkdFS47rcRjNBNrJ9qEUUUGuBkKmCJ9YsQ4SLG3UsJ2ZbNuRxEq17SxFSfSEbZtESNwGT4xFYHXEUA

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