Transaction not yet indexed

AMBtUspfAz9edDwCFHgfs7dcptRvhcC3UsTXoHypz3yJj4KdSxfUMovfexdoZZDTaPMbp9MHhW1PgDYM2etM8s9

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