Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG3yrPyO4HZeKGBmz5hzHcjdCtlRIJn5Gn4zWBKX61oxwsLcVzpTKU56eTg… (844 chars)"
  }
}