Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBZu3t7EDDplo0l7BffjiP/j/6Xo6BTK4vIyCAhTjIyunS8vVgikVTaFdhF… (1,748 chars)"
  }
}