{ "$schema": "http://json-schema.org/draft-04/schema#", "type": "object", "properties": { "id": { "title": "ID", "description": "Precomp ID", "type": "string" }, "layers": { "title": "Layers", "description": "List of Precomp Layers", "items": { "oneOf": [ { "$ref": "#/layers/shape" }, { "$ref": "#/layers/solid" }, { "$ref": "#/layers/preComp" }, { "$ref": "#/layers/image" }, { "$ref": "#/layers/null" }, { "$ref": "#/layers/text" } ], "type": "object" }, "type": "array" } } }