Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHiAjjmc2nK4q+Gv8pz9OJ7MRBv1O3+KkuTNaQSdhJZzBVmTFLSPmP8ZMnW… (844 chars)"
  }
}