Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEP3BgJXOiNTUOH2UVpOJuKfSWkGZm1vhn4uCyYdb/LbRrk7pDi9hHhZLcu… (844 chars)"
  }
}