Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFuCzYD/4PVwGD9kOFETIt+7Hp57yi4wLVOVEBL+6pPQDnwvqJIXYWGyCMx… (844 chars)"
  }
}