Transaction not yet indexed

668Tw2D2GUbN3MxrVJ59PesK6VwSyiEF5dF1ZuDNZH7DS3YNo3YT6SHSqJgF4G61Z2RHPcskR1cFwmL8Ngxgx2Z2

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