Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG1JNP8+GjPU3P6wS/6l9r21lOvCiQk9gopyxMxZ8WzNB3XDjZf4IopMjLq… (844 chars)"
  }
}