Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE+tjmkA/pN/BhEaWCH8HWwAWY5vrF0QX09C2OwWzG6VShYn9ttb88DZ/Wf… (844 chars)"
  }
}