Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDSGsQ6IeuqgBpbwFuRxYCuaW4+uXvyQIYeufm78D+2M3jUqI/yxQcoKrOZ… (844 chars)"
  }
}