List log drains

{  "items": [    {      "object": "log_drain",      "id": "string",      "name": "string",      "enabled": true,      "config": {        "type": "webhook",        "url": "http://example.com"      },      "filter": {        "kinds": [          "call"        ],        "provider": [          "string"        ],        "capability": [          "string"        ],        "endpoint_id": [          "string"        ],        "key_id": [          "string"        ],        "app_id": [          "string"        ],        "mode": [          "string"        ],        "client_mode": [          "sync"        ],        "supply_mode": [          "byok"        ],        "credential": [          "managed"        ],        "status": [          "hit"        ],        "http_status": [          100        ],        "error_code": [          "string"        ],        "run_id": "string",        "waterfall_id": "string",        "latency_min": 0,        "cost_min": 0,        "query": "string",        "sample": 0      },      "batch": {        "max_events": 200,        "max_wait_s": 5      },      "credential_fields": [        "string"      ],      "health": {        "status": "idle",        "delivered_events": 0,        "delivered_batches": 0,        "failed_batches": 0,        "dead_lettered": 0,        "last_success_at": "2019-08-24T14:15:22Z",        "last_error_at": "2019-08-24T14:15:22Z",        "last_error": "string"      },      "created_at": "2019-08-24T14:15:22Z",      "updated_at": "2019-08-24T14:15:22Z"    }  ],  "limit": 0}