Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxGTsqcONYWK2UiqIu5BvnAQ8A1kUfsq1CYeN2aIxa80WncfFG6sEiXFGP… (844 chars)"
  }
}