The following reasons will cause Json verification to fail
The cause of the error that makes it difficult for you to find out the truth:
1. The non-numeric key value in the Json string does not contain double quotation marks
br />2, there is a tab character such as \t in Json, which looks the same as a space, but it is because of its existence that the verification fails, so it can be removed.
3, the editor has a Bom header will also cause the Json verification to fail