Transaction not yet indexed

1isffYmLpVPUp6XNh3S6V49rmfq8DZAnAAcZXCg8WKFZGPf39EoWMgPyJibkb6faF3fFxfjsSAAMLYjepX6XyEs

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