$ tail -f myLogFile | jq -Rr 'split("\t") | [.[0], (.[2] | fromjson.log)] | join("\t")'
2019-07-04T09:53:04-07:00   The content
2019-07-04T10:15:37-07:00   I'm actually
2019-07-04T10:15:37-07:00   Interested on