1. Mix soy and 1/2 tsp wasabi.
2. Sprinkle over salmon, cover and refrigerate 1-2 hours.
3. Combine mayonnaise, 1 tsp wasabi and chives.
4. Heat grill to medium.
5. Coat a fish basket with non-stick spray.
6. Place fillets in basket, skin side down.
7. Grill 6-8 minutes or until opaque in the center.
8. Top salmon with mayonnaise mixture before serving.