Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD9KIuixdd1sxbUXoVa/u+9oLtA8cgQh2hq1rJGF1gmkV5LBLoWHw0H6Vnb… (844 chars)"
  }
}