Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHoIDfYvosnrr+6hH/4PfVYFV8ykZnUbQEKJ2Fng8K69lQE5KXDGV+7LNUe… (844 chars)"
  }
}