@type t() :: %Notifique.OpenApi.Model.NtfAddonsFormSubscribeRequest{
  email: String.t() | nil,
  extraData: %{optional(String.t()) => any()} | nil,
  listId: String.t(),
  name: String.t() | nil,
  phone: String.t() | nil,
  preferences: %{optional(String.t()) => String.t()} | nil
}