Transaction not yet indexed

668TkVLihqhyiNt4gfycPvUgkf5RN3jtHg2ErSWMxT8cpeUAEh1de1ASD6nS5YciAe13HS1gnFUwSfFDdFwt4QXV

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