Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZv3KZbjYi+PXYZVv8tvtBQ8NEC47NdoPXbf+QF3053W2Ubb1h/52uO+4Z… (1,748 chars)"
  }
}