Public readable object containing data associated with this identity.
The Account that owns this Identity can
set this data using Client#updateIdentity.
The data can be any shape but it must be an object.
Practical Examples
The data could be a user's profile picture:
{image: "https://example.com/profile.png"}
The data could be a user's status:
{status: "I'm online!"}
The data could be a user's location:
{location: {lat: 42.3601, lng: 71.0942}}
The unique handle associated with the identity.
Used to specify the sender or recipient of messages and to add and remove friends.
Must be unique across all identities.