Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE0VLh/HFcRMlKanHN1HRpB3kiPIcKpnTYTJIRMt5NAdT6K9Ji7O4+zRkCS… (844 chars)"
  }
}