Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAhBG/rQs+b+fG15AEP17V1uQb5Utn/VvhsnXZd5Qgy53blEYIGxduFMnVi… (1,748 chars)"
  }
}