Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGW5TPBVjw/OuvF4vsj1ZWqxD+Q2TKbdAxeGKqJZV8bI2uFQrPm8LeAZZKf… (844 chars)"
  }
}