IdentityOf: StorageDescriptor<[Key: SS58String], {
    deposit: bigint;
    info: {
        additional: FixedSizeArray<2, IdentityData>[];
        display: IdentityData;
        email: IdentityData;
        image: IdentityData;
        legal: IdentityData;
        pgp_fingerprint?: FixedSizeBinary<20>;
        riot: IdentityData;
        twitter: IdentityData;
        web: IdentityData;
    };
    judgements: [number, IdentityJudgement][];
}, true, never>

Information that is pertinent to identify the entity behind an account. First item is the registration, second is the account's primary username.

TWOX-NOTE: OK ― AccountId is a secure hash.