Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHgOxJvqTkTNlVos8EyOyJuCTnxPqGGS5QN4fmXHF8zdDgF1D0vALgN27/S… (844 chars)"
  }
}