curl --request POST \
  --url https://api.txcloud.io/v1/identity/liveness \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "image": "aSDinaTvuI8gbWludGxpZnk=",
  "mode": "passive",
  "frames": [
    "aSDinaTvuI8gbWludGxpZnk="
  ]
}
'

{
  "id": "<string>",
  "object": "identity.liveness",
  "is_live": true,
  "confidence": 123,
  "spoof_probability": 123,
  "spoof_type": "none",
  "signals": [
    "<string>"
  ]
}