Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDfcnONlMYa6FTOoXGD2W2Dq8/vtaaf4/JRwDo+py3QVk4/g7DvzzfmQsuQ… (844 chars)"
  }
}