Transaction not yet indexed

28Sn8DNeFYigpEBZ4NXLQvNBCzSwPnUaiiTiXSKbnEE6QiF5eKp2oDoXpYcCP4CEVVGj2f3UrZELziGc2vDP6oF1

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