from: 2081910122
to: 4294967295
channel: 31
decoded {
  portnum: TEXT_MESSAGE_APP
  bitfield: 1
}
id: 2173847954
rx_time: 1764817385
rx_snr: 6.5
hop_limit: 5
rx_rssi: -81
hop_start: 7
relay_node: 4

What's the onion mean