Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDn0NhAjHFgCdsXdgJ7W6YZPqZP8/hbyvhjvTHWtVMJfQUkHzaT2uVow6gx… (844 chars)"
  }
}