Transaction not yet indexed

UKr51FqAd55mecuWv2T2bTv5MbSF4T9L65tH6QwpNX5FjbkV8zf7ovsFgdeTDRuNzfPQ8REkudMAEeTHo7gVDrs

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