Transaction not yet indexed

5Xt21CMZjp53RAjeBq59kThVsigq5EivJnDVaWZKeLddDfqRYEHACbsLbkA7BeoZkvKc6YjLxqHh5bCi2pGRFx5P

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