Transaction not yet indexed

MKMgnxB1zzQHeUDgLbnqBzrHqpzzy7atLNPHfuYjXWYwmVEBpT7RhYgVtReR8G4XrBbk689sxp1KPMMwDBYn3Vs

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