Transaction not yet indexed

121sFB5beZMEZDxQvD96CS3CFSYy6bD2Ymg4a3rmuCvgf1T9ytTY8em263J4TaC4HAV7HJbModzonXqFZH3uumUP

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