Https post in json format using QUECTEL EC21-E

i am currently working on quectal ec25 to post a data to a https server
i need an help in posting a json array to https server
i have already tried but when executing AT+QHTTPOST=172,80,80 i am getting an error response!
below i am attaching my development code

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Hello and welcome!
Although I haven’t worked with that particular chip, according to the HTTPS AT commands Manual, the order of operations you’ve attached seems to be a little bit different to their examples. You can check the general process steps on page 7 and an example for sending a POST HTTPS request on page 27.
Maybe that can help?

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