Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7lJl9Pyyy0tHr7k+lxhBO/3d6XUS/2fGrQF5TUcwbT2Hg0dsdOKWxUzyB… (844 chars)"
  }
}