Transaction not yet indexed

5UngMNkLBYF4c8ksQjPrv2QeR1m9kPxZpBPBhWQrdwamNX6ARvC6FeFuP5pV7bNYJBzD3U6TqfCRRHZ5auCKtqNE

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