from: 1888085018
to: 4294967295
channel: 8
decoded {
  portnum: TELEMETRY_APP
  bitfield: 1
}
id: 4039855728
rx_time: 1557936648
hop_limit: 7
priority: BACKGROUND
hop_start: 7
relay_node: 26

time: 1557936648
device_metrics {
  battery_level: 56
  voltage: 3.773
  channel_utilization: 9.795
  air_util_tx: 0.028027777
  uptime_seconds: 66
}