Sesame Marinated Spam Sliders with Quail Egg and Gingered Mayonnaise

Name: Sesame Marinated Spam Sliders with Quail Egg and Gingered Mayonnaise
Ingredients: 1 cup soy sauce; ⅓ cup brown sugar; 6 clove garlic, minced; 3 tablespoon rice vinegar; 2 tablespoon sesame oil; 2 tablespoon sesame seeds, toasted; 2 teaspoon fresh ginger, grated; 1 Thai bird chili, minced or to taste; ¼ cup mayonnaise; 1 can Spam; cooking spray, as needed; 16 fresh quail eggs; fine grained sea salt; 16 slider buns, toasted or grilled as you prefer; 16 slider sized pieces of crisp lettuce,