Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBkJOv/hLOXs3ckQlzF9QwcUAtpf76TI9qv1FEWrttDhBtgHFXMilD/40p6… (1,748 chars)"
  }
}