A KYB application for a sub-merchant.
@type status() :: :draft | :submitted | :approved | :rejected
@type t() :: %Rapyd.Types.Application{ created_at: integer(), documents: [map()], ewallet: String.t(), fields: map() | nil, id: String.t(), status: status(), submitted_at: integer() | nil, type: String.t(), updated_at: integer() | nil }