Transaction not yet indexed

668SnPYYvxK7H9xk1hFDcKWNGMTA421CZhv1MP4diDRxvfpBMzMP6SkTCiB4HDe9dfTxSkmseVbHxiERXwSoEyvb

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