I am facing an issue with deeplink part. When I try to jsonEncode, I got this error as shown in the attachment:

I am facing an issue with deeplink part. When I try to jsonEncode, I got this error as shown in the attachment:

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The JSON is not valid, hence the
FormatException.The
logokey is not well formatted as it doesn't have an enclosing double quote".This is what you have right now.
This is what the key supposed to look like in the Map.