Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEapIQzmleDZg6Pwr/gbW8P6q7y0a1BNXvHN8szYIbXeC+jYB9kDkDPaYMK… (844 chars)"
  }
}