Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA4cZFX1sxZv5BrtIP42s1gXpzohwDhP/bMXaH5gy2T9CKitwh2M4OJmOsq… (844 chars)"
  }
}