Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAvhqYJGfDGvzq4GgjzYn5MQnXNXGHk7YYHoCVrWjBr/GpbXGXUgcnjd31z… (844 chars)"
  }
}