Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHoG2Q4aY2hSuGNwrUu9eZfF2Xjjr6uWyG6aWR46xA/+nIYIqOLttgJQup8… (844 chars)"
  }
}