[Bug]: Validation on stream timestamps

[alessiocastrica]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

When I subscribe to the websocket for both crypto or stocks I get a pydantic validation Error for the Trade, Quote and Bar models.

Expected Behavior

No response

SDK Version I encountered this issue in

v0.11.0

Steps To Reproduce

from alpaca.data.live import StockDataStream

stream = StockDataStream(
    api_key=BROKER_KEY,
    secret_key=BROKER_SECRET,
    url_override="wss://stream.data.sandbox.alpaca.markets/v2/iex",
)
symbol = "AAPL"
async def handler(data):
    print(data)
stream.subscribe_quotes(handler, symbol)
stream.subscribe_trades(handler, symbol)

stream.run()

Filled out the Steps to Reproduce section?

• [X] I have entered valid steps to reproduce my issue or have attached a minimally reproducible case in code that shows my issue happening; and understand that without this my issue will be flagged as invalid and closed after 30 days.

Anything else?

No response