Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFEkQI/6dj4EX8xCQ2n9oAB2vTsa1CtQlAafI/tKMtj7A4FYPU5lLyC5HWU… (844 chars)"
  }
}