Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBDCb5vvCm7gE2yp1zn0p6J9RxRu3VXbZLYowcPhk9Ffwd6e6f8m8BlkFMB… (844 chars)"
  }
}