[
{
"key": null
}
]curl --location --request POST '/open/customData/appendFile/' \
--header 'Authorization: {{token}}' \
--header 'Content-Type: application/json' \
--data-raw '[
{
"key": null
}
]'{
"code": 0,
"message": "",
"errMsg": "",
"data": [
{
"": null
}
],
"timestamp": ""
}