I am struggling using Binance's REST API. I have managed to get working GET request via query string such as pinging the server, ticker information, etc. My challenge now is performing POST request via query string using cURL. I have been scraping code from various places and referring back to the API to get pieces to work but I am unsure as to why I am getting this error returned from the result... {"code":-1102,"msg":"Mandatory parameter 'signature' was not sent, was …