请求示例：

POST /api/receive-incentive-video
Content-Type: application/json

{
  "appid": "wx1234567890abcdef",
  "user_id": "8612345678901234",
  "game_id": 1,
  "video_id": "v1234567890",
  "completion_rate": 100,
  "ecpm_value": 2.5,
  "reward_type": "coins",
  "reward_amount": 100,
  "timestamp": "2023-06-01 12:00:00"
}