Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC0Jaua5MAWKgzQGnhRv2kB5/ZLgxrEONEjex7f4cgWzk6EZ1gJpWG7TRKP… (844 chars)"
  }
}