Transaction not yet indexed

668nVpwjbfTKc35u9dp32yFyjffVF9KhruRqXaSwSDdBpSNPPjY5HPe4SrhxnX6RnTv6cj4MRPfF7ES1txiETHPG

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