Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA4lqjDDUnZP3bA8J60nQK5C4qKiVGop6SxYyr9SOIHdDzVmB5MoW0iYpLi… (844 chars)"
  }
}