Transaction not yet indexed

Am3Uw6YnN3LSQFj8rU7dxzAREeVNgRgB5h8wZSmnghjXouNHZZVyA3S9rfA54eNkm5JMbfpH2j4mcfr8rmZBqRA

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