Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBmOtKzv4c77V4g26gyUQ4Vpo1YsmrxIfAOcO7x6aYL8y/3LDBTXPzjEhhA… (1,748 chars)"
  }
}