Transaction not yet indexed

121JkCjXu7SL7znko9Je5ETPHwevrXoHE4VXYVhYMYurCyxQmRrLb1FshNZ2StxG3cFKmaX1iGsNRAv5ssXXLnMJ

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