Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCge2u+QDwysyBSVJ6PnIbK2+fDXo7mU/uKktvTPySoxVTjy4z47lVxu9sD… (1,748 chars)"
  }
}