Transaction not yet indexed

mnk6WQWgtbnRmpH1KM6d3yhhpHE2sFriUSageCXiHoFfzWWQeFmqNGi65ENJfUEKT5mTnBqgw1mgt3f4fxqKpUS

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