Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCEQFEp81iIImHB/0dMVE5m7s4Bw9xfKgUf5JB3e+3hJ2oUaV7eDJG/sxx8… (1,748 chars)"
  }
}