Transaction not yet indexed

668ZXt9n9ea8m36cCcShUzjPQYipGZRLjmy3oeCaMUaSCVjkCibcVUT7rvVETMmk2e3BGnBi9hrYpWZSMycPvEpA

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