Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDgrm+RKCnS5/Uz1ufOB/3QIWikbVm1dzUPt57p9jQq1Vzzl+bbkLVgOYIj… (844 chars)"
  }
}