Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH/4Rrn5MfbUdxuuyt+F5sJfna3/jBCJOdl6p9etqPvbzWpVc8micStCWv3… (844 chars)"
  }
}