{
"event": "alert/device/down",
"sn": "ABCD12345678",
"name": "Device Name",
"timestamp": 1663612800
}

# Device Has Stopped Responding to Polls:

- `alert/device/down`
- `alert/device/unresponsive`

# Device Has Lost Power:

- `alert/power/fail`
- `alert/power/offline`

# Chassis Down:

- `alert/chassis/down`
- `alert/chassis/offline`

# Unresolved Fault Detected:

- `alert/fault/unresolved`
- `alert/health/failed`

Here's an example of a fault alert message:
{
"event": "alert/device/temperature/critical",
"sn": "ABCD12345678",
"name": "Switch Name",
"timestamp": 1663612800,
"temperature": 100
}