Transaction not yet indexed

21NUq15uLtroqcpcZ55imZpLFuAXLAQ9ZCTiSctoEcPcpph11yQVRvH1Q9XiEu8HqUkEMMXQ2ErYmM3T2wHv4ofr

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