Ultimate Veggie Sandwich

Name: Ultimate Veggie Sandwich
Ingredients: 1 c. cucumbers, sliced; 1 medium carrot, julienned; 1 c. rice vinegar; 1 c. water; 1/2 tbsp. kosher salt; 1 medium eggplant, sliced into ½ inch slices; 1 tbsp. kosher salt; 1/4 c. white miso; 2 tbsp. soy sauce; 2 tbsp. rice vinegar; 1 tsp. sesame oil; 1/2 tbsp. honey; 2 avocado; 1/2 lime juice; Kosher Salt; Freshly ground black pepper; 2 heirloom tomatoes, sliced thick; 2 c. arugula; 2 small shallots, thinly sliced; 2 c. alfafa sprouts; 1/2 c. hummus; 8 slices whole wheat bread, toasted