Library [he] (https://github.com/Lora-net/sx1302_hal/blob/master/libtools/src/parson.c)

[Json string structure] (https://github.com/Lora-net/sx1302_hal/blob/master/packet_forwarder/PROTOCOL.md)

I have to deal with the JSON array RXPK , this is the content of chapter 4: Upstream JSON data structure

How to extract the data, the rssi all other fields such as data?

The following are some of my ideas, but I don't know how to write further: https://paste.ubuntu.com/p/ffVZHtWNVZ/