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The format of your data should be in the form:
data[attributes][ATTRIBUTE_NAME]
You should substitute the required column (eg, org_id) for ATTRIBUTE_NAME.
In the case where we store several fields (usually in JSON format) inside a BIGTEXT MySQL field (eg: credentials.credentials - the credentials column in the credentials table), you should use the format:
data[attributes][credentials][credentials][username]
Examples at the bottom of this page.
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