[
  {
    "service": "charlie/app/health/heartbeat",
    "metric": 1,
    "ttl": 50
  },
  {
    "service": "charlie/app/health/memory",
    "metric": 1,
    "ttl": 50
  },
  {
    "service": "charlie/app/health/heartbeat",
    "metric": 1,
    "ttl": 50
  }
]