Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPjBImH0AQU9qKGM8NxVXkn+9J/3+yC2cUL0ENzj9Tq3vyu43Xww9Phpdw… (1,748 chars)"
  }
}