Transaction not yet indexed

28UpgEkYbTMV3QdSTYQkk3rWB9Pfzx96DxGpZxs3cG6CrkFfPitZenJtKm5QKeEePRkugV9zyJr6iqQY9Wi2e6Rj

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