Transaction not yet indexed

Ak55xf9fncApPedDdNdVBMB9fp9XBtTwBBg11PexpiKQfSeSdqvotqfPkuMc69Vi9kKFmfvGwmQVLeYU5YnNgVy

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