ManagerInfo status messages contain runtime information about a given Manager.
ObjectID:The objectID is the Manager's URI:
http://hostname:port
or
https://hostname:port
Name of MessageGroup:ManagerInfo.
| MessageName | Value Type | Message Availability and Frequency | Description | 
| BuildDate | String | Status object only, never updated. | The Manager's build date. | 
| Version | String | Status object only, never updated. | The Manager's version string. | 
| StartTime | Timestamp | Status object only, never updated. | When the Manager was started. | 
| ManagerHA PromotedToPrimary | String | Manager status stream only, updated on event. | Event: manager HA node promoted to primary (value = reason). | 
| ManagerHA DemotedToBackup | String | Manager status stream only, updated on event. | Event: manager HA node demoted to backup (value = reason). | 
| ManagerHA ParticipatingInElection | String | Manager status stream only, updated on event. | Event: manager HA participating in primary elections (value = reason). |