Transaction not yet indexed

LffNQkmwHNQDqxdzAFkRvuFbFF7uZDAYk9Dozex8ssvuMfUEANDdBmSrpyKzQqWQugSffXV5iT3ci891XZSP13D

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