Both JSON files/strings that you post in post#1 and in post #10 are not valid json as you can check https://jsonlint.com/
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs