@type t() :: %Notifique.OpenApi.Model.TemplateChannelBlockPayload{
  body: String.t() | nil,
  content: String.t() | nil,
  data: Notifique.OpenApi.Model.TemplateChannelBlockPayloadData.t() | nil,
  html: String.t() | nil,
  message: String.t() | nil,
  speakText: String.t() | nil,
  speakVoice: String.t() | nil,
  subject: String.t() | nil,
  title: String.t() | nil
}