curl --request POST \
  --url https://gateway.varchev.com/wallet/dashboard/total-balance/series \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "walletId": "<string>",
  "overview": [
    "<string>"
  ],
  "inTermsOf": "EUR"
}
'

{
  "totalBalanceByDate": {
    "labels": [
      "<string>"
    ],
    "data": [
      "<string>"
    ]
  }
}