Transaction not yet indexed

6688pZYE1tWkaGuzmCRQom8kxiQhrWBjicXiCRaaX2ZAjLbSRSm25B892Ge4LdWDeqxjf1QdjBYh5Ws1VUoWLdxs

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