Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZn3vNbwTcRZiAyqoJCO03S/k2IH+72X5ZTps0oNE/dHXjyeB0tQB0O5jB… (844 chars)"
  }
}