Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCu5TnHfZGc+8Wqagx6AvQUDnucJMDKvRZ5pkl5/Cxn/wTgo4g0tnzSRp8K… (844 chars)"
  }
}