Transaction not yet indexed

Mx66zzSRtwiErmFwowiCvs9P5gGutzMyDwgLSx3buMkg4gH6AWVRv2rR8csRRPYThCmPXDAjHSsmQvbJt5GdXx9

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