Upon Location Prep Time updated

When the location has their prep time updated via the POS or Doshii Venue Manager, the App will be notified with the following event.

Event

{     
"event": "location_prep_time_updated",
"data": {
  "locationId": "y1nXYqaA7",
  "prepTime": 300,
  "uri": "https://sandbox.doshii.co/partner/v3/locations/y1nXYqaA7",         
  "eventUuid": "357d1411-5d40-427b-9174-9c7b11180c32"     
  } 
}