Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHT78qHhoSaBDc7BVXwNfJKiCcgwmuMEWKttCrNl7Vj9U9tNTTv9lRoB5YD… (844 chars)"
  }
}