Get an assistant

{  "content_blocks": false,  "id": "a1b2c3d4-5678-9abc-def0-1234567890ab",  "meta_data_response_schema": {    "properties": {      "type": {        "const": "lgagentmetadatamodel",        "default": "lgagentmetadatamodel",        "enum": [          "53aa66b7-b874-407f-967c-3a959c919d62"        ],        "title": "Type",        "type": "string"      },      "legal_advice": {        "description": "Indicates if the user query is a legal advice.",        "title": "Is Legal Advice",        "type": "boolean"      },      "intent": {        "description": "Intent of the user query.",        "title": "Intent",        "type": "string"      }    },    "required": [      "legal_advice",      "intent"    ],    "title": "LgAgentMetaDataModel",    "type": "object"  },  "name": "Haufe Copilot Tax",  "request_required_fields": {    "__root__": [      "user_data"    ],    "user_data": [      "licence"    ]  },  "streaming": true}

{  "error_code": "unauthorized",  "detail": "Missing or invalid API key"}

{  "error_code": "assistant_not_found",  "detail": "Assistant not found"}

{  "error_code": "validation_error",  "detail": [    {      "loc": [        "body",        "assistant_id"      ],      "message": "Field required",      "type": "missing"    }  ]}

{  "error_code": "internal_server_error",  "detail": "Internal Server Error"}