Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA09XqPM/scg3V4GIiSlkTBrn01gAk4NJ+xyA0XK8uwlhM5EsChpB0jjKii… (1,748 chars)"
  }
}