Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF2M4nDlPGNRDdftOBHqOYpk+baOBDltQNqDA3lhKHlMHdOW7FqtM8crZVQ… (844 chars)"
  }
}