Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCR0bsZ1dBdYUUVQW0jCVa/Zf1OMs4rOvtV+rsi/zu9Wk8Dk1t0v2CurBMB… (844 chars)"
  }
}