Transaction not yet indexed

668fkc8yfKdoraBUsxfpjDZoC93bTLuRNvZK6wMW85zF9n2KBZXHE9XdeFpxXkGHvWmhWr3uoKGmwCC3T5ajdUe2

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