Transaction not yet indexed

668jpmqfCu5ABWJjZuNp47N23gWMAf1Ra52SUUAtTQirZuphwGVTEM6r3aFsQqKXCPJcAPTA1QKVmH2uNx5bxLNX

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