{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "AttachmentVO", "description": "Image attachments showing details of a delivery (e.g. for damaged article).", "required": [ "attachment_content", "content_type" ], "type": "object", "properties": { "attachment_content": { "type": "string", "description": "A base64 encoded PNG image of the recipients signature. Restricted to 10240 bytes.", "example": "VGhpcyB3b3VsZCBiZSBhIHNhbXBsZSBQTkcgaW1hZ2UgYmluYXJ5..." }, "content_type": { "type": "string", "description": "The type of image format of the attachment content.", "example": "image/png" } } }