Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFuLITt4dH+UKj3aZH4l9EG5G0a3G8ZRjzMHnmRMnnpECH9RHMovWNX3LXs… (844 chars)"
  }
}