Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHSn+OguGh1bKaLilAsnmJTvGvnKMD7v94vSG0UF+ggZQcZMN49a1IXA0IK… (844 chars)"
  }
}