[{"id": 139316, "created": "2020-05-19T15:28:15.751324", "project_id": 470, "task_id": 91772, "user_id": 2059, "user_ip": null, "finish_time": "2020-05-19T15:35:37.655437", "timeout": null, "calibration": null, "external_uid": null, "media_url": null, "info": {"valid": "yes", "comments": "Another technical word, maybe from chemistry.", "transcription": "to do this they mixed copper minerals or scrap metal from copper and bronze working, with powdered limestone, sand, and an alkaline material such as [?]"}}, {"id": 139346, "created": "2020-05-19T16:11:44.055961", "project_id": 470, "task_id": 91772, "user_id": 2058, "user_ip": null, "finish_time": "2020-05-19T16:16:07.855151", "timeout": null, "calibration": null, "external_uid": null, "media_url": null, "info": {"valid": "no", "comments": "", "transcription": "to do this they mixed copper minerals or scrap metal from copper and bronze working with powdered limestone sand and an alkaline material such as plant ash  "}}, {"id": 139374, "created": "2020-05-19T16:43:29.064990", "project_id": 470, "task_id": 91772, "user_id": 2072, "user_ip": null, "finish_time": "2020-05-19T16:45:09.881143", "timeout": null, "calibration": null, "external_uid": null, "media_url": null, "info": {"valid": "no", "comments": "", "transcription": "to do this is a mixed copper minerals or scrap metal from copper and bronze working with powdered limestone, sand, and an alkaline material such as plant ash"}}]