{ "$schema": "http://json-schema.org/draft-04/schema#", "title": "preparePaymentParameters", "type": "object", "properties": { "address": { "$ref": "address", "description": "The address of the account that is creating the transaction." }, "payment": { "$ref": "payment", "description": "The specification of the payment to prepare." }, "instructions": {"$ref": "instructions"} }, "additionalProperties": false, "required": ["address", "payment"] }