Turn a built-in event on or off

{  "key": "$screen",  "name": "Screen views",  "description": "Every screen the user lands on, with the previous screen and time spent there. The highest-volume built-in event.",  "eventNames": [    "$screen"  ],  "isEnabled": false,  "isDefaultEnabled": true,  "isOverridden": true,  "warning": null}

{  "error": {    "type": "invalid_request",    "code": "invalid_body",    "message": "The request body is invalid: Missing key\n  at [\"isEnabled\"]"  }}

{  "error": {    "type": "unauthenticated",    "code": "invalid_api_key",    "message": "This secret key is not valid."  }}

{  "error": {    "type": "permission_denied",    "code": "permission_denied",    "message": "Insufficient permissions."  }}

{  "error": {    "type": "internal",    "code": "internal_error",    "message": "Something went wrong on our side. Try again, and contact support with the Request-Id header if it keeps failing."  }}