[
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 70
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 60
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 70.5000
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 60
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 73
},
{
    "__spy_point__": "HeatWatcher#send_alert",
    "message": "Critical: Temperature is rising at 2.5 deg/min"
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "message": "Critical: Temperature is rising at 2.5 deg/min",
    "url": "http://backend.server.com/messages"
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 10
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 73.5000
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 10
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 74
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 10
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 74.0833
},
{
    "__spy_point__": "HeatWatcher#send_alert",
    "message": "Ok: Temperature is rising at 0.5 deg/min"
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "message": "Ok: Temperature is rising at 0.5 deg/min",
    "url": "http://backend.server.com/messages"
},
{
    "__spy_point__": "HeatWatcher#sleep",
    "seconds": 60
},
{
    "__spy_point__": "HeatWatcher#make_request",
    "url": "http://system.server.com/temperature"
},
{
    "__spy_point__": "HeatWatcher#get_temperature.result",
    "result": 74.5833
}
]