Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHRtwcmlLZlaFNGWsz2vmHbAHJzG4CQyK4JXouOPY+HNVnkYXHtLtEvK2Jg… (844 chars)"
  }
}