Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCJ7QE4Xc8zNbgIYTEWWwXhZea3rHr6DFVMIizi6kaIxGnk3BtxObMYokK2… (844 chars)"
  }
}