Transaction not yet indexed

1256JbL2pmmTecW2W1a1v2QWBa6YBHTgFGjpUaNqvB3zqpaY7DEL4bYRaFRgvhcsbqPSJBvdoGuSEntqPrGkdaeC

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