Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA8JGEtyK5wtbO8RCjavzD7cKpxlLvZkKFgu7Jn7+8PuA4IIGxUfmE6W9Yh… (844 chars)"
  }
}