The financial institution that issued Form 1098 can use Box 10. "... to Enter any other item .... to report to the payer, such as real estate taxes, insurance paid from escrow, or, if you are a collection agent, the name of the person for whom you collected the interest". Ref: IRS
The only way to know what the amount in Box 10 is for is to contact the financial institution and ask then what the amount is for.
This link Instructions for Form 1098 (01/2022) has information you may find useful.
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