Thin event (2): address object ABC changed.

Delta event (1): person object XYZ's name changed to "Bob"

Delta event (2): address object ABC's address line 2 was deleted and zip code was changed to "12345"

Fat event (1): person object XYZ changed, and here's everything we think person-consuming systems will care about

Fat event (2): address object ABC changed, and here's everything we think address-consuming systems will need

Entire object (1): { person: { token: "XYZ", name: "Bob", email: "bob@bob.com" age: 42, likes: ["ice cream", ...], ... }, updated_at: T, updated_by: U, version: 3, ... }

Entire object (2): { address: { token: "ABC", line_1: "1234 Some Place Rd.", line_2: null, city: "Everywhere", state: "NA", zip: "12345", ... }, updated_at: T, updated_by: U, version: 5, ... }