Return string must be in following format
<measurement>,[<tag-key>=<tag-value>...] [<field-key>=<field-value>,<field2-key>=<field2-value>...] [unix-nano-timestamp]
Look on official documentation [https://docs.influxdata.com/influxdb/v1.2/write_protocols/line_protocol_reference/]
Return string must be in following format <measurement>,[<tag-key>=<tag-value>...] [<field-key>=<field-value>,<field2-key>=<field2-value>...] [unix-nano-timestamp] Look on official documentation [https://docs.influxdata.com/influxdb/v1.2/write_protocols/line_protocol_reference/]