Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwJVRdccBmV+tfS7Y/zxUGaECGs6aS4wHi5FFEh84o5n+zFq5sRmvbJ9DXrh… (844 chars)"
  }
}