Transaction not yet indexed

LtffSAgcZkTmMQmQTXaFUR7x7pCKTU2vrrJQwCbVEGExmQ52qqN5CDEN76f9k4bc4CWjy9RVmF4vmFRH6ApYF2u

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