Transaction not yet indexed

Am9EWXfD7Y7B3hw8ZBYCVGEx5rjJj6CyXYpNBJDtbNEbUGoVyxhsmNaGBS8BNybwSnztLPqi37dUXQ7yDpatrSQ

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