Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGIE1k5Dj+D/rdy4ewlsfezR7r+m+JYuBzYJ4iST6U7DQPpz31b8H4zMCg7… (844 chars)"
  }
}