Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAPgfS+j4RX3mKVDvKk/LOZKLIL6pByNsCaFGQxX+xWhRbfkZTB3x5yupDy… (1,748 chars)"
  }
}