Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEciT/hMbJXRilzT+mUnyXmhWhkTIe6YCecYIWBQGbqdA8WyEFO4wwZ6W8C… (1,748 chars)"
  }
}