Transaction not yet indexed

668xKhP2sPtJsguNjdu9dbyUzA1QjynkhbTzUtjQUnfutzobEhcRyQMukeKqLo9Xk9hTDgXJMAw9TCAXJPS4kNMC

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