Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCf33a6vOEMXEpaL7RIXDpBUdajYS9S5/9g0bLx+7BnnxEQ+3MYm+TRgvlW… (844 chars)"
  }
}