Cancel experience request

{  "id": "string",  "requester_user_id": "string",  "requester": "string",  "coworld_id": "string",  "coworld_name": "string",  "coworld_version": "string",  "variant_id": "string",  "title": "string",  "description": "string",  "status": "pending",  "episode_count": 0,  "pending_count": 0,  "submitted_count": 0,  "running_count": 0,  "completed_count": 0,  "failed_count": 0,  "error": "string",  "created_at": "2019-08-24T14:15:22Z",  "started_at": "2019-08-24T14:15:22Z",  "completed_at": "2019-08-24T14:15:22Z",  "episodes": [    {      "id": "string",      "requester_user_id": "string",      "round_id": "string",      "coworld_id": "string",      "coworld_name": "string",      "coworld_version": "string",      "variant_id": "string",      "variant_name": "string",      "max_steps": 0,      "job_index": 0,      "status": "pending",      "policy_version_ids": [        "de6640ed-6e83-4f61-9613-b56ec10dde91"      ],      "participants": [        {          "position": 0,          "kind": "policy",          "policy_version_id": "7cd41427-f4be-4006-ab17-5ead7f8f8446",          "policy_id": "ee9b03e0-6495-427a-85a5-34444d24ae04",          "policy_name": "string",          "version": 0,          "player_id": "string",          "player_name": "string",          "owner_name": "string",          "is_filler": false,          "is_seed": false        }      ],      "job_id": "453bd7d7-5355-4d6d-a38e-d9e7eb218c3f",      "episode_id": "a7b62598-1927-4181-99d5-5d746c0bbcfe",      "replay_url": "string",      "live_url": "string",      "error_type": "string",      "error": "string",      "failed_policy_index": 0,      "failed_agent_index": 0,      "scores": [        {          "policy_version_id": "7cd41427-f4be-4006-ab17-5ead7f8f8446",          "score": 0        }      ],      "participant_scores": [        {          "position": 0,          "score": 0        }      ],      "created_at": "2019-08-24T14:15:22Z",      "dispatched_at": "2019-08-24T14:15:22Z",      "running_at": "2019-08-24T14:15:22Z",      "completed_at": "2019-08-24T14:15:22Z",      "cost_usd": 0,      "experience_request_id": "string",      "game_config": {},      "llm_spend_limit_rejections": [        {          "slot": 0,          "rejection_count": 0        }      ]    }  ],  "can_cancel": false,  "requested": {},  "cost_preview": {    "estimated_cost_credits": 0,    "player_pod_llm_spend_limit_usd": 0  }}