Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBt+utx8xH9zrL/HQumcXnmC4sLO0jZIMUfRdAdJfJ/I0M6tK4TSbNpvq+1… (844 chars)"
  }
}