Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGjhWaaqUwV1xR9lXM8+Oz4CcU9k5EdTfG/OBcXG7n8yjs8LKgYLvR+3u2/… (1,748 chars)"
  }
}