List accounts

curl --request GET \
  --url https://api.pushcash.com/account/list \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "account_WsELzpJOvU6fNafvzWbF6K",
      "type": "settlement",
      "name": "Settlement Account",
      "balance": 1000000,
      "created_at": "2023-05-24T20:15:18.158Z"
    }
  ]
}