Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEuKi/3FY5JC0f+SFkpW2pYlzk9TaHwmpRI1k6+bI3yTXe+1yaMg2Tw2/FR… (844 chars)"
  }
}