Transaction not yet indexed

1UbDMkREpQeYSMPTiKaMbRajPyd8HphfPAiV8vsgTXTLZCTM8CQoguNfE3j6szAzUWDAH8hfppeGqmBRqJrURpN

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