curl -sS -X POST "https://gateway.orbit/api/v1/nodes/7/excluded-projects/4" \
  --cacert /path/to/orbit-root-ca.pem \
  -H 'Accept: application/json' \
  -H 'X-Orbit-Request-Id: 9d6b1e5c-4a3f-4a1b-9f0e-6d2c3f5a7b81'

{
  "data": {
    "project_id": 123,
    "project_slug": "<string>",
    "node_id": 123,
    "node_name": "<string>",
    "development_instance_count": 123,
    "already_exists": true
  },
  "meta": {
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "data": {
    "project_id": 123,
    "project_slug": "<string>",
    "node_id": 123,
    "node_name": "<string>",
    "development_instance_count": 123,
    "already_exists": true
  },
  "meta": {
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}