Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGwLvXl+5WGGW3ImlJew4dRfT60e/amn5Tw2n6PwwjNiBHlJ0Ka1Rp/rqI0… (844 chars)"
  }
}