var par madmin.PolicyAssociationReq
	err = json.Unmarshal(reqBytes, &par)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	if err := par.IsValid(); err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
		return
	}

	// Call IAM subsystem