Transaction not yet indexed

Rp1991SvY56EFJh8ffk9RYYU8LUYBF7TGSemP1E5H7D5PKoZU2oQ9WYJWBkmqJv6MAC67SLaFi7SooXdPaFaU1S

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