Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBn/Kysm0dXW/sq3z4SwCJHq7sHI+oEKWPcbBm8lu7/Xj7GaQmFWRIVqKLe… (1,748 chars)"
  }
}