Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGxxCeVMEJSEoX7ZOn7Qh2WK/pWiEEV/AFRzKO0yI0ZXxK4aQh+M2QjENko… (844 chars)"
  }
}