Marinate chicken in lime juice and salt for at least 2 hours or overnight. Place shallots, garlic, jalapenos, bell pepper, macadamia nuts, shrimp paste, sugar, tamarind, oil and salt in blender. Blend until smooth. Saute paste for 3 minutes add chicken and simmer for 10 minutes. Add broth and tomatoes. Bring to a boil and simmer for 20 minutes. Serve over rice.