Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG7u3FKHh+MNHiqKXUwoKaB4GDdA+ECZXRGACF0zDT8Sk23NX4L4F+x+rBs… (844 chars)"
  }
}