Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF/kpPvrUP+KHlxWFEp4sHZOLfXYu6BvocGEcHcaFIej3Mh8w09dpqmrI1t… (844 chars)"
  }
}