Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHJaFCTTYtKHPtDHkL/NdL4OchR/jd4EXnvwW+YD6B7RywzldwHvHW3wQ/t… (844 chars)"
  }
}