Column user offerer
user_affiliation_rank: This column assigns a ranking to each user based on the order of their account creation date within each offerer's group. If user_affiliation_rank equals 1, it means this user was the first registered user for a said offerer.
user_offerer_validation_status: Status of the user's affiliation to an offerer. Can be "NEW" when this affiliation is yet to be reviewed by an existing user already associated with this offerer; "PENDING" when the affiliation application is under review and "VALIDATED" when validated. .