Transaction not yet indexed

AS28MMHqZ4cFLXHxBiuojDx5d3zCUqr3tErBqnu5NjJLEAsAvdoCLKkxXbf8WWQN4bQLqbYmpmwMZq4ZmxvgCS9

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