Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGfiTUm1HJI4kTwJsEkiStnSPdln2sWg+O8+4WJqz8eWUrgscXsJaQpkxYm… (844 chars)"
  }
}