Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEqgODHaVX+5GJfV5JlCSXjjnTr3Lx8ycnfwgbpE36vnwOoqVGW5MjPq5dc… (844 chars)"
  }
}