Transaction not yet indexed

aM16ee8yPrCz5yYQJZ8TRcgoWz9mntBLP3zPcqRoRKvjokCcCKN8i2RvE3hMRMpSyKiTgiXSu1J5coSLJAeZLS2

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