Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCjq09EE9DwNDF3OPzPWnmPjcVTyAdPdC9/4gWnNhkZbSXq8DMMFIieBc6C… (844 chars)"
  }
}