Validate the input signature by checking if it is null, undefined, or an empty string. If the signature is invalid, it throws an error.
If the signature is null, undefined, or an empty string.
The signature to validate.
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Validate the input signature by checking if it is null, undefined, or an empty string. If the signature is invalid, it throws an error.
Throws
If the signature is null, undefined, or an empty string.