Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEZw/VZwXxpX1hZqaA85fvxnd8D/Wq6VwIOGwwUnqvbznwskxCDl/WJjDrT… (844 chars)"
  }
}