Transaction not yet indexed

21NWU851Ybvk3E1GG1NEWesr6ATRyr6C8vVPnBH4Js28GqvFavDuPA4c1nxfrEgGHfv1pGC3VRHVWZjBnFu8ubha

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