Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHSMFTW9XBcOgxTMT+Uct8rvfqw3IC9zaTTdF/Nofzmfg1iUCWsw4muoQP6… (844 chars)"
  }
}