Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG4m+ZbzCWRihD3c1CrEEQLxrsnazF+T6VrAMBEUF1dZDaTnvNWCxSYn5hI… (844 chars)"
  }
}