@type t() :: %ApolloSignal.Types.EmailReadScrollAnalyticsResponse{
  computed_at: String.t(),
  depth100_count: integer(),
  depth100_rate: number() | nil,
  depth25_count: integer(),
  depth25_rate: number() | nil,
  depth50_count: integer(),
  depth50_rate: number() | nil,
  depth75_count: integer(),
  depth75_rate: number() | nil,
  device_type: String.t() | nil,
  email_id: String.t(),
  mail_client: String.t() | nil,
  max_depth_pct: integer() | nil,
  os: String.t() | nil,
  read_category: String.t() | nil,
  read_engaged: boolean(),
  read_engaged_at: String.t() | nil,
  read_time_seconds: number() | nil,
  short_email: boolean(),
  subject: String.t()
}