@type t() ::
  %Procore.Model.RestV10ProjectsProjectIdActionPlansPlansGet200ResponseInnerPlanReceiversInner{
    id: integer() | nil,
    party:
      Procore.Model.RestV10ProjectsProjectIdActionPlansPlanTemplatesGet200ResponseInnerManager.t()
      | nil,
    plan_id: integer() | nil,
    signature:
      Procore.Model.RestV10ProjectsProjectIdActionPlansPlansGet200ResponseInnerPlanReceiversInnerSignature.t()
      | nil,
    updated_at: DateTime.t() | nil
  }