Transaction not yet indexed

AMTsMxj7RjZZ5gSWDumkvnf5jzH2xGx5kFhFiYCc8A3rihuzbZPbUA7CAWHLEyFYDpSFRGRQtGJxWiFUwJ3AP4U

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