Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEQFFOzkbWUfM9A8J+rABKg6Hin0sZmXe84vFodv4GGP0cVDnq/K5iiMVa4… (844 chars)"
  }
}