Transaction not yet indexed

4SC99o19VcGBQHiSFn96SQwcnHXWRDxNEsLNe9BWchWN3E19cTnoYCYzBNtsSSdKPehHwGqi4YU9xupC7CPmUdC2

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