SQL : how to fix SQL server Json text is not properly formatted. Unexpected character is found at po

SQL : how to fix SQL server Json text is not properly formatted. Unexpected character is found at position 151
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SQL : how to fix SQL server Json text is not properly formatted. Unexpected character is found at position 151
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SQL Json server text Unexpected found not fix character properly at formatted. is is position SQL how to 151 :

[NeeteshAgarwal-qioz]

In A Table there are so many records how to find which record has this issue