Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGn/z1uWsQPyWXscUSqNR/PYDnlm0M6dATV7YrShHYpTHDnpbXiBh8mi9Qf… (844 chars)"
  }
}