code: def parse_effective_start_date(sku: dict) -> int:
      time_str = sku["pricingInfo"][0]["effectiveTime"]
      return parse_timestamp_msecs(time_str)
  
imports: import logging
  from typing import AsyncGenerator, List, Optional
  from hailtop.aiocloud import aiogoogle
  from hailtop.utils import rate_cpu_hour_to_mcpu_msec, rate_gib_hour_to_mib_msec, rate_gib_month_to_mib_msec, rate_instance_hour_to_fraction_msec
  from hailtop.utils.time import parse_timestamp_msecs
  from ....driver.pricing import Price
  from ..resources import GCPAcceleratorResource, GCPComputeResource, GCPLocalSSDStaticSizedDiskResource, GCPMemoryResource, GCPStaticSizedDiskResource
label_desc: Use image node_id 1 for calling a global function with example usage: parse_effective_start_date(sku) and returns: parse_timestamp_msecs