Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHm7P7o2AxmDnZhk2cU4GoC5D+rgKvPLrSvdQsdOpFZEw/5+5tWMKLuRhfz… (844 chars)"
  }
}