"start_date": {
                            "type": "string",
                            "format": "date-time",
                            "title": "Start Date",
                        },
                    },
                    "type": "object",
                    "required": ["username", "monthly_fee", "start_date"],
                    "title": "Subscription",

                        "start_date": {
                            "type": "string",
                            "format": "date-time",
                            "title": "Start Date",
                        },
                    },
                    "type": "object",
                    "required": ["username", "monthly_fee", "start_date"],
                    "title": "Subscription",

from datetime import datetime

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Subscription(BaseModel):
    username: str
    monthly_fee: float
    start_date: datetime


@app.webhooks.post("new-subscription")
def new_subscription(body: Subscription):
    """
    When a new user subscribes to your service we'll send you a POST request with this

		fn := filepath.Join(dirPath, "cpuio.out")
		f, err := Create(fn)
		if err != nil {
			return nil, err
		}
		stop := fgprof.Start(f, fgprof.FormatPprof)
		startedAt := time.Now()
		prof.stopFn = func() ([]byte, error) {
			if elapsed := time.Since(startedAt); elapsed < 100*time.Millisecond {
				// Light hack around https://github.com/felixge/fgprof/pull/34
				time.Sleep(100*time.Millisecond - elapsed)
			}
			err := stop()