Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDzbyItgbPkJ5Zc0MQHL9E/dBRwrGPYzA21ZqECX+dvnBmr78W7WnRyj/pQ… (844 chars)"
  }
}