Transaction not yet indexed

Q6k3MYWSWiBPZpv57Af9h5SME4EBViQTBbYhpdzYcBzjbRvhPrMvCwWqeNwFN2XFwS4n1FcWDTmNvZDFSUrv4Pm

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