Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCk4+BRMDobHAB4mvOUcmPX/f9WUT2VnwzbA7SDJvzlWio32l9kxcGR2xur… (1,748 chars)"
  }
}