Transaction not yet indexed

Ap6U4mk74NdbQ8uKVxBAKEcv165PrJuTaHVTGiPNLo9BuSgmgYa6yAEEHmntYTugWzmwnsEDGD5EsRkKFMu7VJ9

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