Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHfDHuU7KCcCfN4P9fMYZk8hW/xFu+rUVU/PfPSamSTs1HMWpuIw6y7nxkP… (844 chars)"
  }
}