curl --request POST \
  --url 'https://api.nsr.stateset.com/api/v1/nsr/vsa/encode' \
  --header 'X-API-Key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "concept_name": "WALK",
  "symbol_id": null
}'

{
  "dimension": 1,
  "enabled": true,
  "results": [
    [
      {
        "0": "s",
        "1": "t",
        "2": "r",
        "3": "i",
        "4": "n",
        "5": "g"
      }
    ]
  ],
  "vector": [
    1
  ]
}