Sour Fish Soup with Napa Cabbage and Enoki Mushrooms

Name: Sour Fish Soup with Napa Cabbage and Enoki Mushrooms
Ingredients: 2 ounces cellophane noodles; 2 quarts fish stock; 2 scallions, thinly sliced; 1/2 cup Asian pickled mustard greens, drained and chopped, plus 1/4 cup of the pickling liquid; 1 1/2 tablespoons minced ginger; 2 tablespoons rice vinegar, plus more for serving; 2 tablespoons Asian fish sauce, plus more for serving; 1 1/4 pounds shredded napa cabbage; 5 ounces enoki mushrooms; 1 1/2 pounds red snapper fillets with skin, cut crosswise into 24 slices; 1/2 cup chopped cilantro