Transaction not yet indexed

421Nn3D1yjxtKj8LJu2VdgAMCC4JLbwAp4Z3c88qAUnB3jGTv7AcRaXAEPGRdCGntUs6BpDuBooEceXaY7JMsgkV

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