Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBMKaF0ZywfX/uWZ51IDw8n+wZnOZvEA89Fm3F+ebpxH3QclIFt0LTejG5+… (1,748 chars)"
  }
}