Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDeVG+ba5msw2uNPrU0xecHNI6+qPTMQfoQG8my2k/HQFP0KESWwRsU6c9H… (1,748 chars)"
  }
}