Transaction not yet indexed

668fsdKerfZGqJJL93Kk5rcCnhe97cHEuFrnSbPCZk6gr2v79xHaa8SLQdqCb8nUQeBgvAjUsTYjfbfbeGiLcwkp

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