Transaction not yet indexed

RKoNgMMNcNvQyTtiv6fP4A7frBiUBdMSw4iVBxLSuayV7UfPmFCyUyGwWzorcCr7kFercsNPKJUyNgLWk518Sta

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