[ { "key": null } ]
curl --location --request POST '/open/customData/v3/' \ --header 'Authorization: {{token}}' \ --header 'Content-Type: application/json' \ --data-raw '[ { "key": null } ]'
{ "code": 0, "message": "", "errMsg": "", "data": { "successAmount": 0 }, "timestamp": "", "errData": [ { "": null } ] }