Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG5TY1nLSMsXUBm+cQyV7qS1jNYz84/ZWi95Y7hICL+iXtTjR1YZc5uvgCk… (844 chars)"
  }
}