提交 Blend 任务

curl --request POST \
  --url https://api.deerapi.com/mj/submit/blend \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "base64Array": [
    "data:image/png;base64,xxx1",
    "data:image/png;base64,xxx2"
  ]
}
'

{
  "code": 123,
  "description": "<string>",
  "properties": {},
  "result": 123
}