Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFcHtRVHAGrRuuQ6e3yT+/BuN2MHdvttj2y7RCq9vsPIhCrP0hs1rszl9km… (844 chars)"
  }
}