How to increase field size of Rate Record GID OTM?

Summary:

I want to extend the size of (Number of characters) in the Rate Record GID field , it's limited to 55

Content (please ensure you mask any confidential information):

I want to extend the size of (Number of characters) in the Rate Record GID field , it's limited to 55

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Code Snippet (add any code snippets that support your topic, if applicable):