Transaction not yet indexed

AKU9PKZanY2oAKks4ni4qdgvUtRE4pZkUEC8in5CBUKqVwv1v6ZANW79dkL1fkYk2cTPaAqphaLXpntfUdUvh1o

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