Example as per their documentation so each time the device transmit that kind of json is generated.
When the tag is rssi that is signal strength of the transmission. What I care most is the value of sensor_index 0 and 1 which is my water and heat meters.
[
{"name":"thingslog","value":17,"timestamp":1568548140000,"tags":{"general":"rssi","device_number":"01008213"}},
{"name":"thingslog","value":0,"timestamp":1568548140000,"tags":{"general":"ber","device_number":"01008213"}},
{"name":"thingslog","value":4392,"timestamp":1568548140000,"tags":{"general":"battery","device_number":"01008213"}},
{"name":"thingslog","value":84304,"timestamp":1568548140000,"tags":{"device_number":"01008213","sensor_index":"0"}},
{"name":"thingslog","value":7398,"timestamp":1568548140000,"tags":{"device_number":"01008213","sensor_index":"1"}},
{"name":"thingslog","value":84309,"timestamp":1568548440000,"tags":{"device_number":"01008213","sensor_index":"0"}},
{"name":"thingslog","value":7398,"timestamp":1568548440000,"tags":{"device_number":"01008213","sensor_index":"1"}},
{"name":"thingslog","value":84311,"timestamp":1568548740000,"tags":{"device_number":"01008213","sensor_index":"0"}},
{"name":"thingslog","value":7398,"timestamp":1568548740000,"tags":{"device_number":"01008213","sensor_index":"1"}},
]