Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDYyWdKTvvr+SyMa7mlQwU0d3hrPwxrSvazBqgsg4XJeA2D7RlvtAOqYUlz… (844 chars)"
  }
}