Transaction not yet indexed

1dC28ai32spBBH1db3QE5Mz96hL6DKHVZUzvQ9u2s9BmiAcD37168vgqLm4N3vuKDnmgA2xJeMkSaSLRHiFsoZ3

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