Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDVPNdVw/mhKlToe5/cvcIklXyidM5XFEDcIpwzlUhR4l8VDBzzeHgFq1Ff… (1,748 chars)"
  }
}