Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH35y7plbs3QG5Q0G5VHqjNU7ySo4Uq4TYL21S6aG8v3RqG7iGgEHWKtkPc… (844 chars)"
  }
}