Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC9V5Wvk1W8lrSUiwb4oh9rUCTRp2zR78cZ/A91RcXaeFE2LpzdO4lbqSyT… (844 chars)"
  }
}