CreateTask

https://www.vmagic.app/api/create_flux_character_generator_api

{
    'Content-Type': 'application/json',
    'Authorization': `Bearer ${token}` 
}

{
  prompt: string,
  aspect_radio: string, // Square/Landscape/Portrait
  character: string  // None/nezha/aobing/aoguang/aorun/taiyi
  webhook_url?: string 
}

{
  data?: {
    task_id: string // task_id, query the status of the task by this id, or receive a webhook
  },
  success: boolean,
  errorMsg: string,
  error_code: number
}