Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCI3G/ZwbR7Iithgz7V43pPaS72cUD3EwdXMOHHcpObBEh6w4ESxB/HBz74… (1,748 chars)"
  }
}