Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpeI/fLOpRuwbXyR7N+46X4OHMf9VX/tLqGn12XyWMqXl5ZoMXxpVMK5GV… (844 chars)"
  }
}