Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAq/rSwg+2OO5+XCapmGC2CoEZYp7RUdZZvncTRmGNwDEgMmq8t0A5JlHAm… (844 chars)"
  }
}