Actually does not support string output, can you add string output function, thank you.

[txg1550759]

{ "crc47": 0, "crc48": 0, "crc49": 0, "crc50": 0, "crc51": 1, "crc52": 0, "crc53": 0, "crc54": 0, "crc55": 0, "crc56": 0, "cpu": 12, "memory": 52, "SystemName": "Quidway S5700 Routing Switch" }

2020/09/24 17:44:14 json: cannot unmarshal string into Go value of type float64

Actually does not support string output, can you add string output function, thank you.