Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHzx2pP1SWkOwHTrOPhWFtAio4ZfLpm1gkpfHv3TTpW/Bnp9/NRj/K9Qo4N… (844 chars)"
  }
}