Transaction not yet indexed

668vE8qrRDzEVCcGXD1EQEF3Xp1JhM9Wp4ePJfVhXk9NhAvFE7YrSHrTaPsHNHrssxfwS1QiSpqnv6xbTRGtrhAb

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