Transaction not yet indexed

668yqUPyNG2Hb6o97iGevKHXxUaSLPiKyTviA8pBc4X8HT4QSyecbGU7EfV3RWdJL3wEZ3MsbqE6xbVcPZkxxj1z

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