Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZjiqtIAzzH6gSn/Wv88Ih0WvdQVwVJ1yN8E/s2pBokkV+u8Pb6xF6nQOT… (844 chars)"
  }
}