Transaction not yet indexed

5UZ21nvpdEBmEARuVCWeK3vjvbcE6v2d9tSMAaRHkGMdvd2SfiaA429Tujx2fFAYBUJHz7xSVs9vN6ACUbKvMer3

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