Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQASzYsrvVaLOvR8AC6K9FjB8CN/b2ZwuO6TvVE2EqIM4i+KjJoDwPl0q0tZ… (1,748 chars)"
  }
}