Transaction not yet indexed

5sff5LwhAgfBnPshGBHYbfaaoUNXhwaRfdSPEJwf4BszuqVZV3rgqSSdM7DJS9gtTWxp61Qe8MWLbMmVBaUJ29t1

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