Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHbjt9LfN3C2pDZ64j+R9qlKNtnKgHXczPNC9/qD2a6Q0HYwdX8jXMPVuD5… (844 chars)"
  }
}