Transaction not yet indexed

MAmKyb2aa8oSymhDZSa4eqqZVS7JyKiRHiRFrBvgDVkfC4gwZVgXKvRoEAVWf8DuiVWvSKstETEEowwymnpCaow

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