I'm aware of the exchange timestamp in the nanasecond field. Refering to US Equities.
@B_Azevedo
Thank you for reaching out to us.
I assume that you are using the real-time data feed.
All timestamps in the payload are from the data feed or exchanges. I am not sure what you mean by timestamps to real-time data when received.
You may need to contact the content support team directly via MyAccount to verify this.