Unknown Error While creating package

Hi , i am trying to create a package using the rest API with sandbox url : https://sandbox.esignlive.com/api/packages. I am getting an error response. {"technical":"","entity":null,"packageId":null,"messageKey":"http.status.400","messageLanguage":null,"message":"Validation Error","parameters":{},"code":400,"name":"Validation Error"} I am unable to get what exactly is the problem. Please reply soon. I have a query if payload json needs indentation. Sample requests are as : Sample 1 ------WebKitFormBoundary1bNO60n7FqP5WO4t Content-Disposition: form-data; name="file"; filename="download.pdf" Content-Type: application/pdf filedata ------WebKitFormBoundary1bNO60n7FqP5WO4t Content-Disposition: form-data; name="payload" { "documents":[ { "name":"Test package" } ] } ------WebKitFormBoundary1bNO60n7FqP5WO4t-- Sample 2 --WebKitFormBoundary9ee44645-3603-4c93-be15-e5858198b9f8 Content-Disposition: form-data; name="payload" { "type": "PACKAGE", "language": "en", "name": "Test package", "documents": [ { "approvals": [ { "role": "Customer", "name": "CustomerSignature", "id": "CustomerSignature", "fields": [ { "name": "APR", "id": "APR", "extract": true, "type": "INPUT", "subtype": "TEXTFIELD" }, { "name": "CustomerSignature", "id": "CustomerSignature", "extract": true, "type": "SIGNATURE", "subtype": "FULLNAME" } ] }, { "role": "Customer", "name": "Agent", "id": "Agent", "fields": [ { "name": "Agent", "id": "Agent", "extract": true, "type": "SIGNATURE", "subtype": "FULLNAME" } ] } ], "extract": true, "index": 0, "name": "Test Document1" } ], "roles": [ { "type": "SIGNER", "id": "Customer", "signers": [ { "signature": null, "firstName": "role", "lastName": "one", "email": "[email protected]", "id": "Customer" } ], "name": "Customer" } ] } ------WebKitFormBoundary7MA4YWxkTrZu0gW Content-Disposition: form-data; name="file"; filename="download.pdf" Content-Type: application/pdf filedata --WebKitFormBoundary9ee44645-3603-4c93-be15-e5858198b9f8--