Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKlAG+LwSS2DAx+Na7uFv2JiE181v6vvVwzUh6wzRyU5HWQE2maR2Hbfv4u… (844 chars)"
  }
}