Transaction not yet indexed

28Tt4pJhQwHGTYPQVeuLFUnkUDk65exENxispuH3sAoDo6cwkUAypmEqiRqykNHYsx6TWbPnnnGhCU8cwCNYUF14

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