What is a cot message?

Excuse me, could you please clarify what you mean by "cot message"? Is this a term specific to a certain industry or technology that I'm not familiar with? In the realm of cryptocurrency and finance, I'm not immediately aware of a standard definition for "cot message". Could you provide some context or explain what you're referring to? It could be helpful to know if this term is related to trading, blockchain technology, or some other aspect of the field.