Transaction not yet indexed

PM9umtn9AzMeFDotBTLwBWM6yAqjPv5DtketaLkM61cNFrfiNWcQJC5Dk3tXtxSRYRouNz1JBtNcBYaHQBWEdU1

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