Transaction not yet indexed

XUkpKRQ2LJ28E7zMBxFGo1MkD9VUm2b2TYroR9wHh2SkaBjzNFvM1eBbXwKgq6tajeq9m8N6keoDcqHRRTpgDA6

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