Transaction not yet indexed

Reg28Z9LudD3QBkTyLmFrvJ2Sub6yoy3DetDJh8MjkjAdfcyy83LESVfnC9HCDiPQ3bQm8skunPYVT2p2h1N8ED

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