Telegram + Google Pub/Sub

The objective is to create a Google Pub/sub "app", that allows to process messages from "FxPremiere Forex Signals Free"  (a public group in telegram) and process the info from specific messages. Inside the red box on the first image the name of the telegram group. Inside the Google PubSub:  Publisher:  Configuration:  Get only one time a message. If the system goes down do not attempt to fetch older messages Deliver only one time a message to the topic, if the system goes down do not attempt to deliver older or un publish messages to the topic Task / to do:  Connect to telegram as a user not as bot by using python Telethon  [login to view URL] Retrieve only unread messages from specific sender Mark as read the messages ingest Topic: Configuration:  Deliver only one time a message, if the system goes down or the message do not get into de Subscriber delete the message Once the messages is sent to the subscriber delete all the info Task / to do:  1) Delete all the messages that do not have a "header": "Today´s free signal is" as a first line inside the message.  This can be seen in Image 1 purple box 2) Paraphrase the info as the next example taken from the purple box:   Instrument: AUDUSD; action:SELL; price: 0.6968; sl: 0.7050; tp: 0.6570 3) Add date, hour, minutes and seconds from the telegram message Subscriber: Store the info detail in the next line's single and unique json file or csv file inside google docs. I need a single file per transaction. Is not possible to get more than one transaction inside a file. The file name if it´s possible has to be the instrument with the date. Once the file is created and stored in google docs delete all the info. File info:  1) The date, hour, minutes and seconds from the telegram message 2) Instrument: AUDUSD; action:SELL; price: 0.6968; sl: 0.7050; tp: 0.6570 3) The date, hour, minutes and seconds from the time that the info arrive inside the Subscriber