Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFPcXP3egkLTmQXC+YLRcQemEsDhqJKLJOGigkVgDhTVjyDQoeVrj9kq2Z4… (844 chars)"
  }
}