{"source_line": 2, "reason": "Illegal trailing comma before end of object: line 1 column 27 (char 26)", "raw_base64": "eyJpZCI6IkIyIiwibm90ZSI6ImJyb2tlbiIsfQ0K"}
{"source_line": 3, "reason": "blank line", "raw_base64": "DQo="}
{"source_line": 4, "reason": "valid JSON, but expected an object", "raw_base64": "bnVsbA0K"}