Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAPQG6hTZJ2Al+Jfz2vZdPXL+vSmg4jWVvf+VzwIBwHuS51wEJ9788vUxMF… (844 chars)"
  }
}