Transaction not yet indexed

121SaCzkMKBqLNqvXSk4RT3hD4ZdJ1JCiKq2Cp5fUpg4msQCDrSdwthBRqWpCPFWccAYe5hawc2mdWQCxivzaXn8

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