Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDkgeB9CoSOcejYgDz2Gni7g4gGVjvhEtahcHobYkmHjBrjvERT1WOC+vKZ… (1,748 chars)"
  }
}