Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCywh/8/QD/rDv5+j1zs66p3R5OIsw7zgJU7WmX6WY/CykdVGqrzRrXSgoX… (1,748 chars)"
  }
}