Below is a link to a YouTube video that provides a step-by-step guide on manually adding metadata:
Additional troubleshooting if there are errors
When uploading your .JSON file/metadata inside the application from an outside source, please double-check your assets/token to ensure they have the correct format, or else the mint could result in a failed mint.
If your metadata is invalid, it will show you an error under the Status Bar inside the Asset Creation section under upload metadata. (you will need to hover over "invalid metadata" to see the errors)
Correct Metadata format:
Below is an example of metadata formatting that will work with our minting platform:
If you would like to learn more about the CIP-25 metadata standard, head over to cardano.org