Transaction not yet indexed

28JAiXkBFYHqxk4S9XdMZHZAE1BFStzmZmTkLvjbbQmQEndSJAt3g2E4V7xQyZWPRZPT1eU9a9VLXZT6BvBMtLp1

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