Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHAjh1JlzZnLbiSo6gKgtaVKFWETjd3Ndn/Qg0CG7jNvWAHC+XyW55WwgPa… (844 chars)"
  }
}