curl --request POST \
  --url https://api.mixpeek.com/v1/collections/{collection_identifier}/documents \
  --header 'Content-Type: application/json' \
  --data '{
  "collection_id": "collection_123",
  "object_id": "<string>",
  "metadata": {},
  "features": [
    {
      "feature_extractor_id": "<string>",
      "payload": {},
      "vectors": {}
    }
  ]
}'

{
  "document_id": "<string>",
  "collection_id": "<string>",
  "object_id": "<string>",
  "enrichments": {
    "clusters": [
      {
        "cluster_id": "cluster_001",
        "coordinates": [
          0.12,
          0.23,
          0.34,
          0.45,
          0.56
        ],
        "distance_to_centroid": 0.15,
        "document_id": "doc_123",
        "features": {
          "category": "electronics",
          "product_name": "Widget A"
        },
        "source_details": {
          "source_id": "col_products_v1",
          "type": "collection"
        }
      }
    ],
    "taxonomies": [
      {
        "label": "Mobile Phones",
        "node_id": "node_electronics_phones",
        "path": [
          "products",
          "electronics",
          "phones"
        ],
        "score": 0.87,
        "taxonomy_id": "tax_products"
      }
    ]
  },
  "source_blobs": [
    {}
  ],
  "internal_metadata": {},
  "metadata": {},
  "vector": [
    123
  ],
  "presigned_url": "<string>"
}