Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCcZvPHy9q3qnMEbEXkGGkjg5PRYY/B0BFqmUAso1uJukyHJ+FnZaaaG7s8… (844 chars)"
  }
}