Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHyXYdbFYPw/44TGw1GS+3pzJM5Vl6k+Cq0dJuyq06YeWFdkNg2DlnUghhc… (844 chars)"
  }
}