Transaction not yet indexed

668nrikhNzsuZ3Y3mzLHUUWQsFrh3SLfuadVFoVvvBsoJnufdm74ZWNcZWdzvvzYsJTTUZMDAe1dmjhdh3oRiRLo

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