Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFfYYALS7XpvDDsMS0SAX3KFVubgdarf5uy0Kn5ACZWpGCSqtOvlEDm5WrJ… (1,748 chars)"
  }
}