Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDiwnvw2QH5p4zvQD3cP0SOMxu6D9yq+CdwQ1lDozTMZiMEiYs19GXEn8Pd… (844 chars)"
  }
}