Transaction not yet indexed

AC3UAEKMWSny4xCyHhsHrcYiptCLKd6y23VDHiAiFJcLLNwtpiZiTAEeWQm2yEdQyQ5XzKmuApJsEz7YQbQg3Mk

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