Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAXdCvh1L2/5ztns7JaRa8p1w3e4nqEAXYpginVDRaTxHU+FkFIgy6VEsyF… (844 chars)"
  }
}