curl --request POST \
  --url https://pria.praxislxp.com/api/user/embedding \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "upload": "665a1b2c3d4e5f6789012300",
  "chunkText": "This is a new manually-added paragraph for RAG search..."
}
'

{
  "success": true,
  "message": "Embedding created!",
  "data": {
    "_id": "665a1b2c3d4e5f6789012345",
    "chunkText": "This is a paragraph from the uploaded document...",
    "chunkLen": 512,
    "chunkIndex": 0,
    "upload": "665a1b2c3d4e5f6789012300",
    "chunkUrl": "#page=2",
    "created": "2023-11-07T05:31:56Z",
    "usage": 128
  }
}