@type t() ::
  %Procore.Model.RestV10ProjectsProjectIdActionPlansPlansGet200ResponseInnerPlanApproversInnerSignatureCapturedBy{
    employee_id: integer() | nil,
    first_name: String.t() | nil,
    id: integer() | nil,
    is_employee: boolean() | nil,
    last_name: String.t() | nil,
    login: String.t() | nil,
    name: String.t() | nil,
    updated_at: DateTime.t() | nil,
    user_id: integer() | nil,
    vendor:
      Procore.Model.RestV10ProjectsProjectIdActionPlansPlansGet200ResponseInnerPlanApproversInnerSignatureCapturedByVendor.t()
      | nil
  }