The WKT could not be parsed. OGR Error code 6

{'messageId': 'CAAQAA==', 'payload': '', 'properties': {'module_args': '{"roi":"{\\"type\\":\\"FeatureCollection\\",\\"features\\":[{\\"type\\":\\"Feature\\",\\"geometry\\":{\\"type\\":\\"Polygon\\",\\"coordinates\\":[[[11.5, 52.5],[12.5, 52.5],[12.5, 53.5],[11.5, 53.5],[11.5, 52.5]]]},\\"properties\\":{\\"name\\":\\"roi\\"}}]}","start_time":"2020-06-01 03:00","end_time":"2020-06-03 03:00","average_spatial_values":"true"}', 'response_topic': 'smart-monitoring_50fff23c733ba', 'requestContext': '8', 'messageType': 'request', 'function': 'modis_products', 'module': 'downloader', 'function_args': '{"modis_product":"MOD11A2.006","server":"https://e4ftl01.cr.usgs.gov","product_parameters":"[\'LST_Day_1km\']","scale":"[0.02]"}'}, 'publishTime': '2020-07-09T10:52:27.213+02:00'}
{'module_args': '{"roi":"{\\"type\\":\\"FeatureCollection\\",\\"features\\":[{\\"type\\":\\"Feature\\",\\"geometry\\":{\\"type\\":\\"Polygon\\",\\"coordinates\\":[[[11.5, 52.5],[12.5, 52.5],[12.5, 53.5],[11.5, 53.5],[11.5, 52.5]]]},\\"properties\\":{\\"name\\":\\"roi\\"}}]}","start_time":"2020-06-01 03:00","end_time":"2020-06-03 03:00","average_spatial_values":"true"}', 'response_topic': 'smart-monitoring_50fff23c733ba', 'requestContext': '8', 'messageType': 'request', 'function': 'modis_products', 'module': 'downloader', 'function_args': '{"modis_product":"MOD11A2.006","server":"https://e4ftl01.cr.usgs.gov","product_parameters":"[\'LST_Day_1km\']","scale":"[0.02]"}'}
Checking MODIS data query setting...
The WKT could not be parsed. OGR Error code 6