curl --request GET \
  --url https://cloud.nexus.app/api/persona/{persona_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": 123,
  "name": "<string>",
  "description": "<string>",
  "is_public": true,
  "is_visible": true,
  "uploaded_image_id": "<string>",
  "icon_name": "<string>",
  "user_file_ids": [
    "<string>"
  ],
  "display_priority": 123,
  "is_default_persona": true,
  "builtin_persona": true,
  "starter_messages": [
    {
      "name": "<string>",
      "message": "<string>"
    }
  ],
  "tools": [
    {
      "id": 123,
      "name": "<string>",
      "description": "<string>",
      "definition": {},
      "display_name": "<string>",
      "in_code_tool_id": "<string>",
      "custom_headers": [
        "<unknown>"
      ],
      "passthrough_auth": true,
      "mcp_server_id": 123,
      "user_id": "<string>",
      "oauth_config_id": 123,
      "oauth_config_name": "<string>",
      "enabled": true,
      "chat_selectable": true,
      "agent_creation_selectable": true,
      "default_enabled": false
    }
  ],
  "labels": [
    {
      "id": 123,
      "name": "<string>"
    }
  ],
  "owner": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "email": "<string>"
  },
  "users": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "email": "<string>"
    }
  ],
  "groups": [
    123
  ],
  "document_sets": [
    {
      "id": 123,
      "name": "<string>",
      "description": "<string>",
      "cc_pair_summaries": [
        {
          "id": 123,
          "name": "<string>"
        }
      ],
      "is_up_to_date": true,
      "is_public": true,
      "users": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ],
      "groups": [
        123
      ],
      "federated_connector_summaries": [
        {
          "id": 123,
          "name": "<string>",
          "entities": {}
        }
      ]
    }
  ],
  "llm_model_provider_override": "<string>",
  "llm_model_version_override": "<string>",
  "num_chunks": 123,
  "llm_relevance_filter": false,
  "llm_filter_extraction": false,
  "system_prompt": "<string>",
  "replace_base_system_prompt": false,
  "task_prompt": "<string>",
  "datetime_aware": true,
  "search_start_date": "2023-11-07T05:31:56Z"
}