Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCmvSzENLzoe9wpTmWBF4AtL7nxZdF/dAhZa+qxoXr2IiO9lEUYCJO1w0m/… (844 chars)"
  }
}