curl --location --request GET 'https://api.302.ai/pika/task/pika_xxxx/fetch' \
--header 'Authorization: Bearer '
{
"id": "pika_cf19e333f1ea",
"progress": 100,
"status": "finished",
"url": "https://file.302.ai/gpt/imgs/20250821/e2ef16701848439aa0d18fccf4ac74fd.mp4"
}