Model: account

[Optional] Whether the account holds a loyalty membership ("true"/"false").

[Optional] Customer's loyalty program membership number.

[Optional] Account locale/language preference (e.g., "en-US").

[Optional] Customer tier within the loyalty or membership program (e.g., "Gold").

[Optional] Account category; one of: individual, business, family, other.

[Optional] ISO 8601 timestamp of when the account was created.

[Optional] ISO 8601 timestamp of the last email address change on the account.

[Optional] ISO 8601 timestamp of the last password change on the account.

[Optional] Customer's date of birth in ISO 8601 date format (YYYY-MM-DD).

[Optional] Name of the loyalty program the account belongs to (max 100 chars).

[Optional] Current point balance in the loyalty program; zero or positive.