Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDY5rNQ4KSqRUVN2xlU+sY2TQFSkv8oPzb8tQUIw+i30Sshv8wpWPMYV9Sw… (844 chars)"
  }
}