Transaction not yet indexed

5U6f9ZDGGZmPg9cCHAKcMMfz71XuzM9g4v2ZaS6yMZjbaKZkAGQxtcBNApwqW2B5XbGomtrF8kq9RdKB9qafnFv6

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