Transaction not yet indexed

Am6WnuWxD3gzaz6PVB7UPRC8e2hGYc2tAg61twYuxzDMLMAJ2G9aDBPH8PYi8Pu7ThBmJVy1q1pGEbVZ7LphNei

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