OT Media Management API | Create a folder - malformed syntax error

Hi Team,

I am facing malformed syntax for below request, looks some params are not right can some one help me to sort out this issue.

note : other post methods are executed fine other than this create folder.

https://otmm-dev.com/otmmapi/v6/folders/*********3380442446794dcb161f

{
"folder_resource": {
"folder": {
"name": "Test folder",
"container_type_id": "ARTESIA.BASIC.FOLDER",
"security_policy_list": [{
"id": 1
}],
"metadata": {
"metadata_element_list": [{
"id": "ARTESIA.FIELD.ASSET DESCRIPTION",
"type": "com.artesia.metadata.MetadataField",
"value": {
"value": {
"type": "string",
"value": "Test description"
}
}
}]
},
"metadata_model_id": "ARTESIA.MODEL.BASIC FOLDER"
}
}
}

Error :

"exception_body": {       "http_response_code": 400,       "message": "The request could not be understood due to malformed syntax.",       "debug_message": "CSRF attack detected",       "error_code": 1000   }