Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC+t4LgcReiHheQrAYWpeAeIskKC8oXSULWD4sG3oBc5UDFn9YS0WxnQ+42… (844 chars)"
  }
}