2310: Get preference opt-in status

Fetch entity preference subscription details for all preferences

Endpoint ID:	2310
Method:	GET
URL:	/preferences/entity/id/{entityID} /preferences/entity/ext-key/{ext-key}/{ext-type}
	entityID	Rubiq master ID that uniquely identifies the entity
	ext-key	External key that uniquely identifies the entity
	ext-type	Type of external key
Request body:	None
Response body:	JSON data containing an array of all preferences, with the `preferenceID` and a boolean `optedIn` property indicating the entity's preference subscription status. The entity has opted in to a single preference { "entityPreferences": [ { "preferenceID": "7a6776a3-9411-4d34-9866-99aa9ac7cc27", "optedIn": false }, { "preferenceID": "dd9eaf78-18ff-44ea-9717-25b103060643", "optedIn": true } ] }
Status codes:	200	OK
	404	The entity was not found The following sub codes may be returned: `404.1` Entity not found `404.2` External entity reference not found

REST API