Transaction not yet indexed

668Pkx3qG53h36XFzi4e4dEzaPLHdwyFcHXr3vApASd93SoEX86crmBbcgf5ddYrZeffdnwLJNnT3coUmJ31LMk4

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